157256080 has 20 divisors (see below), whose sum is σ = 365620572. Its totient is φ = 62902400.

The previous prime is 157256053. The next prime is 157256101. The reversal of 157256080 is 80652751.

It can be written as a sum of positive squares in 2 ways, for example, as 98089216 + 59166864 = 9904^2 + 7692^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 982771 + ... + 982930.

Almost surely, 2^157256080 is an apocalyptic number.

157256080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157256080 is an abundant number, since it is smaller than the sum of its proper divisors (208364492).

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

157256080 is a wasteful number, since it uses less digits than its factorization.

157256080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965714 (or 1965708 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 157256080 is about 12540.1786271169. The cubic root of 157256080 is about 539.7622181279.

The spelling of 157256080 in words is "one hundred fifty-seven million, two hundred fifty-six thousand, eighty".