113845865 has 24 divisors (see below), whose sum is σ = 160110720. Its totient is φ = 77480928.

The previous prime is 113845843. The next prime is 113845867. The reversal of 113845865 is 568548311.

It is not a de Polignac number, because 113845865 - 2⁶ = 113845801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113845867) 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 in 23 ways as a sum of consecutive naturals, for example, 32384 + ... + 35726.

It is an arithmetic number, because the mean of its divisors is an integer number (6671280).

Almost surely, 2^113845865 is an apocalyptic number.

It is an amenable number.

113845865 is a deficient number, since it is larger than the sum of its proper divisors (46264855).

113845865 is a wasteful number, since it uses less digits than its factorization.

113845865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501 (or 3494 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 113845865 is about 10669.8577778713. The cubic root of 113845865 is about 484.6621305018.

The spelling of 113845865 in words is "one hundred thirteen million, eight hundred forty-five thousand, eight hundred sixty-five".