113444559 has 12 divisors (see below), whose sum is σ = 165116952. Its totient is φ = 75051600.

The previous prime is 113444557. The next prime is 113444561. The reversal of 113444559 is 955444311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113444557) and next prime (113444561).

It is not a de Polignac number, because 113444559 - 2¹ = 113444557 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113444557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46932 + ... + 49289.

It is an arithmetic number, because the mean of its divisors is an integer number (13759746).

Almost surely, 2^113444559 is an apocalyptic number.

113444559 is a deficient number, since it is larger than the sum of its proper divisors (51672393).

113444559 is a wasteful number, since it uses less digits than its factorization.

113444559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96358 (or 96355 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 113444559 is about 10651.0355834538. The cubic root of 113444559 is about 484.0919830072.

It can be divided in two parts, 113444 and 559, that added together give a triangular number (114003 = T₄₇₇).

The spelling of 113444559 in words is "one hundred thirteen million, four hundred forty-four thousand, five hundred fifty-nine".