156147904 has 56 divisors (see below), whose sum is σ = 339626448. Its totient is φ = 70640640.

The previous prime is 156147889. The next prime is 156147931. The reversal of 156147904 is 409741651.

It is a hoax number, since the sum of its digits (37) 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 7 ways as a sum of consecutive naturals, for example, 205894 + ... + 206650.

It is an arithmetic number, because the mean of its divisors is an integer number (6064758).

Almost surely, 2^156147904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156147904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169813224).

156147904 is an abundant number, since it is smaller than the sum of its proper divisors (183478544).

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

156147904 is a wasteful number, since it uses less digits than its factorization.

156147904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 156147904 is about 12495.9154926720. The cubic root of 156147904 is about 538.4913353935.

The spelling of 156147904 in words is "one hundred fifty-six million, one hundred forty-seven thousand, nine hundred four".