113644743 has 16 divisors (see below), whose sum is σ = 158839296. Its totient is φ = 72192960.

The previous prime is 113644733. The next prime is 113644759. The reversal of 113644743 is 347446311.

It is not a de Polignac number, because 113644743 - 2²⁰ = 112596167 is a prime.

It is a super-2 number, since 2×113644743² = 25830255223072098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113644703) 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 15 ways as a sum of consecutive naturals, for example, 5455 + ... + 16032.

It is an arithmetic number, because the mean of its divisors is an integer number (9927456).

Almost surely, 2^113644743 is an apocalyptic number.

113644743 is a deficient number, since it is larger than the sum of its proper divisors (45194553).

113644743 is a wasteful number, since it uses less digits than its factorization.

113644743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21574.

The product of its digits is 24192, while the sum is 33.

The square root of 113644743 is about 10660.4288375281. The cubic root of 113644743 is about 484.3765582080.

The spelling of 113644743 in words is "one hundred thirteen million, six hundred forty-four thousand, seven hundred forty-three".