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145290148615 = 5611632922461
BaseRepresentation
bin1000011101001111110…
…1111011101100000111
3111220000112001021101101
42013103331323230013
54340023234223430
6150425000040531
713332265613053
oct2072375735407
9456015037341
10145290148615
1156687557097
12241a9463147
131091587c651
14706405ac63
153ba538cdca
hex21d3f7bb07

145290148615 has 16 divisors (see below), whose sum is σ = 178293561696. Its totient is φ = 113625244800.

The previous prime is 145290148603. The next prime is 145290148621. The reversal of 145290148615 is 516841092541.

It is not a de Polignac number, because 145290148615 - 213 = 145290140423 is a prime.

It is a super-2 number, since 2×1452901486152 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1411516 + ... + 1510945.

It is an arithmetic number, because the mean of its divisors is an integer number (11143347606).

Almost surely, 2145290148615 is an apocalyptic number.

145290148615 is a deficient number, since it is larger than the sum of its proper divisors (33003413081).

145290148615 is a wasteful number, since it uses less digits than its factorization.

145290148615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922690.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 145290148615 in words is "one hundred forty-five billion, two hundred ninety million, one hundred forty-eight thousand, six hundred fifteen".

Divisors: 1 5 61 163 305 815 9943 49715 2922461 14612305 178270121 476361143 891350605 2381805715 29058029723 145290148615