115157385 has 96 divisors (see below), whose sum is σ = 244408320. Its totient is φ = 48988800.

The previous prime is 115157363. The next prime is 115157401. The reversal of 115157385 is 583751511.

115157385 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 573 + 85 = 666.

It is not a de Polignac number, because 115157385 - 2⁵ = 115157353 is a prime.

It is a super-2 number, since 2×115157385² = 26522446640076450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 424800 + ... + 425070.

It is an arithmetic number, because the mean of its divisors is an integer number (2545920).

Almost surely, 2^115157385 is an apocalyptic number.

115157385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115157385 is an abundant number, since it is smaller than the sum of its proper divisors (129250935).

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

115157385 is a wasteful number, since it uses less digits than its factorization.

115157385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 376 counting only the distinct ones).

The product of its digits is 21000, while the sum is 36.

The square root of 115157385 is about 10731.1408992707. The cubic root of 115157385 is about 486.5161538577.

The spelling of 115157385 in words is "one hundred fifteen million, one hundred fifty-seven thousand, three hundred eighty-five".