113643844 has 24 divisors (see below), whose sum is σ = 212556960. Its totient is φ = 52976256.

The previous prime is 113643839. The next prime is 113643847. The reversal of 113643844 is 448346311.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (113643847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534 + ... + 15085.

It is an arithmetic number, because the mean of its divisors is an integer number (8856540).

Almost surely, 2^113643844 is an apocalyptic number.

It is an amenable number.

113643844 is a deficient number, since it is larger than the sum of its proper divisors (98913116).

113643844 is a wasteful number, since it uses less digits than its factorization.

113643844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15747 (or 15745 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 113643844 is about 10660.3866721616. The cubic root of 113643844 is about 484.3752809655.

The spelling of 113643844 in words is "one hundred thirteen million, six hundred forty-three thousand, eight hundred forty-four".