157256128 has 14 divisors (see below), whose sum is σ = 312055256. Its totient is φ = 78628032.

The previous prime is 157256123. The next prime is 157256159. The reversal of 157256128 is 821652751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157256123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228500 + ... + 1228627.

Almost surely, 2^157256128 is an apocalyptic number.

It is an amenable number.

157256128 is a deficient number, since it is larger than the sum of its proper divisors (154799128).

157256128 is an equidigital number, since it uses as much as digits as its factorization.

157256128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457139 (or 2457129 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The square root of 157256128 is about 12540.1805409651. The cubic root of 157256128 is about 539.7622730459.

The spelling of 157256128 in words is "one hundred fifty-seven million, two hundred fifty-six thousand, one hundred twenty-eight".