113668645 has 16 divisors (see below), whose sum is σ = 142624512. Its totient is φ = 86803200.

The previous prime is 113668627. The next prime is 113668679. The reversal of 113668645 is 546866311.

It is not a de Polignac number, because 113668645 - 2¹⁵ = 113635877 is a prime.

It is a super-2 number, since 2×113668645² = 25841121712272050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113668598 and 113668607.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 94045 + ... + 95245.

It is an arithmetic number, because the mean of its divisors is an integer number (8914032).

Almost surely, 2^113668645 is an apocalyptic number.

It is an amenable number.

113668645 is a deficient number, since it is larger than the sum of its proper divisors (28955867).

113668645 is a wasteful number, since it uses less digits than its factorization.

113668645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052.

The product of its digits is 103680, while the sum is 40.

The square root of 113668645 is about 10661.5498404313. The cubic root of 113668645 is about 484.4105141911.

The spelling of 113668645 in words is "one hundred thirteen million, six hundred sixty-eight thousand, six hundred forty-five".