155907256 has 16 divisors (see below), whose sum is σ = 299456640. Its totient is φ = 76052160.

The previous prime is 155907229. The next prime is 155907287. The reversal of 155907256 is 652709551.

155907256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 237336 + ... + 237991.

It is an arithmetic number, because the mean of its divisors is an integer number (18716040).

Almost surely, 2^155907256 is an apocalyptic number.

It is an amenable number.

155907256 is a deficient number, since it is larger than the sum of its proper divisors (143549384).

155907256 is a wasteful number, since it uses less digits than its factorization.

155907256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475374 (or 475370 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 40.

The square root of 155907256 is about 12486.2827134420. The cubic root of 155907256 is about 538.2145604305.

The spelling of 155907256 in words is "one hundred fifty-five million, nine hundred seven thousand, two hundred fifty-six".