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145554323351 = 1149731265987
BaseRepresentation
bin1000011110001110110…
…1101011011110010111
3111220200221010201222212
42013203231223132113
54341043401321401
6150511114144035
713341654222563
oct2074355533627
9456627121885
10145554323351
1156802691518
1224261a2201b
1310958515b68
14708b1866a3
153bbd671dbb
hex21e3b6b797

145554323351 has 4 divisors (see below), whose sum is σ = 145555704312. Its totient is φ = 145552942392.

The previous prime is 145554323339. The next prime is 145554323363. The reversal of 145554323351 is 153323455541.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (145554323339) and next prime (145554323363).

It is a cyclic number.

It is not a de Polignac number, because 145554323351 - 234 = 128374454167 is a prime.

It is a super-2 number, since 2×1455543233512 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145554323299 and 145554323308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145554313351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518021 + ... + 747966.

It is an arithmetic number, because the mean of its divisors is an integer number (36388926078).

Almost surely, 2145554323351 is an apocalyptic number.

145554323351 is a deficient number, since it is larger than the sum of its proper divisors (1380961).

145554323351 is a wasteful number, since it uses less digits than its factorization.

145554323351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380960.

The product of its digits is 540000, while the sum is 41.

Adding to 145554323351 its reverse (153323455541), we get a palindrome (298877778892).

The spelling of 145554323351 in words is "one hundred forty-five billion, five hundred fifty-four million, three hundred twenty-three thousand, three hundred fifty-one".

Divisors: 1 114973 1265987 145554323351