156232880 has 20 divisors (see below), whose sum is σ = 363241632. Its totient is φ = 62493120.

The previous prime is 156232871. The next prime is 156232927. The reversal of 156232880 is 88232651.

It is a tau number, because it is divible by the number of its divisors (20).

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 a self number, because there is not a number n which added to its sum of digits gives 156232880.

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, 976376 + ... + 976535.

Almost surely, 2^156232880 is an apocalyptic number.

156232880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156232880 is an abundant number, since it is smaller than the sum of its proper divisors (207008752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156232880 is a wasteful number, since it uses less digits than its factorization.

156232880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952924 (or 1952918 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 156232880 is about 12499.3151812409. The cubic root of 156232880 is about 538.5890003645.

The spelling of 156232880 in words is "one hundred fifty-six million, two hundred thirty-two thousand, eight hundred eighty".