157860256 has 24 divisors (see below), whose sum is σ = 311082660. Its totient is φ = 78855168.

The previous prime is 157860239. The next prime is 157860259. The reversal of 157860256 is 652068751.

It can be written as a sum of positive squares in 2 ways, for example, as 156650256 + 1210000 = 12516^2 + 1100^2 .

It is a super-3 number, since 3×157860256³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (157860259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49560 + ... + 52648.

Almost surely, 2^157860256 is an apocalyptic number.

157860256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157860256 is a deficient number, since it is larger than the sum of its proper divisors (153222404).

157860256 is a wasteful number, since it uses less digits than its factorization.

157860256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696 (or 4688 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 157860256 is about 12564.2451424668. The cubic root of 157860256 is about 540.4525881036.

The spelling of 157860256 in words is "one hundred fifty-seven million, eight hundred sixty thousand, two hundred fifty-six".