156120428 has 12 divisors (see below), whose sum is σ = 276953880. Its totient is φ = 76990752.

The previous prime is 156120413. The next prime is 156120449. The reversal of 156120428 is 824021651.

156120428 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 156120428.

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, 267038 + ... + 267621.

It is an arithmetic number, because the mean of its divisors is an integer number (23079490).

Almost surely, 2^156120428 is an apocalyptic number.

It is an amenable number.

156120428 is a deficient number, since it is larger than the sum of its proper divisors (120833452).

156120428 is a wasteful number, since it uses less digits than its factorization.

156120428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534736 (or 534734 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 156120428 is about 12494.8160450644. The cubic root of 156120428 is about 538.4597489820.

The spelling of 156120428 in words is "one hundred fifty-six million, one hundred twenty thousand, four hundred twenty-eight".