113489445 has 16 divisors (see below), whose sum is σ = 181716480. Its totient is φ = 60483264.

The previous prime is 113489381. The next prime is 113489447. The reversal of 113489445 is 544984311.

It is not a de Polignac number, because 113489445 - 2⁶ = 113489381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113489447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34252 + ... + 37418.

It is an arithmetic number, because the mean of its divisors is an integer number (11357280).

Almost surely, 2^113489445 is an apocalyptic number.

113489445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113489445 is a deficient number, since it is larger than the sum of its proper divisors (68227035).

113489445 is a wasteful number, since it uses less digits than its factorization.

113489445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564.

The product of its digits is 69120, while the sum is 39.

The square root of 113489445 is about 10653.1424941188. The cubic root of 113489445 is about 484.1558206144.

The spelling of 113489445 in words is "one hundred thirteen million, four hundred eighty-nine thousand, four hundred forty-five".