156045572 has 12 divisors (see below), whose sum is σ = 274214556. Its totient is φ = 77698560.

The previous prime is 156045563. The next prime is 156045587. The reversal of 156045572 is 275540651.

It can be written as a sum of positive squares in 2 ways, for example, as 63616576 + 92428996 = 7976^2 + 9614^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79973 + ... + 81900.

It is an arithmetic number, because the mean of its divisors is an integer number (22851213).

Almost surely, 2^156045572 is an apocalyptic number.

It is an amenable number.

156045572 is a deficient number, since it is larger than the sum of its proper divisors (118168984).

156045572 is a wasteful number, since it uses less digits than its factorization.

156045572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162118 (or 162116 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 156045572 is about 12491.8202036373. The cubic root of 156045572 is about 538.3736757131.

The spelling of 156045572 in words is "one hundred fifty-six million, forty-five thousand, five hundred seventy-two".