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145530663 = 3301116111
BaseRepresentation
bin10001010110010…
…01111100100111
3101010211201112120
420223021330213
5244223440123
622235121023
73414663435
oct1053117447
9333751476
10145530663
117516a383
12408a3173
13241c5825
1415483d55
15cb9a2e3
hex8ac9f27

145530663 has 8 divisors (see below), whose sum is σ = 194117376. Its totient is φ = 96982200.

The previous prime is 145530661. The next prime is 145530673. The reversal of 145530663 is 366035541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145530663 - 21 = 145530661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145530661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978 + ... + 17088.

It is an arithmetic number, because the mean of its divisors is an integer number (24264672).

Almost surely, 2145530663 is an apocalyptic number.

145530663 is a deficient number, since it is larger than the sum of its proper divisors (48586713).

145530663 is a wasteful number, since it uses less digits than its factorization.

145530663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19125.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 145530663 is about 12063.6090371000. The cubic root of 145530663 is about 525.9989000348.

The spelling of 145530663 in words is "one hundred forty-five million, five hundred thirty thousand, six hundred sixty-three".

Divisors: 1 3 3011 9033 16111 48333 48510221 145530663