156257104 has 20 divisors (see below), whose sum is σ = 313188660. Its totient is φ = 75434240.

The previous prime is 156257099. The next prime is 156257113. The reversal of 156257104 is 401752651.

It can be written as a sum of positive squares in 2 ways, for example, as 131056704 + 25200400 = 11448^2 + 5020^2 .

It is a congruent number.

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, 167917 + ... + 168844.

It is an arithmetic number, because the mean of its divisors is an integer number (15659433).

Almost surely, 2^156257104 is an apocalyptic number.

It is an amenable number.

156257104 is an abundant number, since it is smaller than the sum of its proper divisors (156931556).

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

156257104 is a wasteful number, since it uses less digits than its factorization.

156257104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336798 (or 336792 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 156257104 is about 12500.2841567702. The cubic root of 156257104 is about 538.6168351064.

The spelling of 156257104 in words is "one hundred fifty-six million, two hundred fifty-seven thousand, one hundred four".