156231104 has 14 divisors (see below), whose sum is σ = 310021224. Its totient is φ = 78115520.

The previous prime is 156231079. The next prime is 156231109. The reversal of 156231104 is 401132651.

156231104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 156231104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156231109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220492 + ... + 1220619.

Almost surely, 2^156231104 is an apocalyptic number.

It is an amenable number.

156231104 is a deficient number, since it is larger than the sum of its proper divisors (153790120).

156231104 is an equidigital number, since it uses as much as digits as its factorization.

156231104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441123 (or 2441113 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 156231104 is about 12499.2441371469. The cubic root of 156231104 is about 538.5869595271.

Adding to 156231104 its reverse (401132651), we get a palindrome (557363755).

The spelling of 156231104 in words is "one hundred fifty-six million, two hundred thirty-one thousand, one hundred four".