113445589 has 4 divisors (see below), whose sum is σ = 116511724. Its totient is φ = 110379456.

The previous prime is 113445587. The next prime is 113445611. The reversal of 113445589 is 985544311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87740689 + 25704900 = 9367^2 + 5070^2 .

It is a cyclic number.

It is not a de Polignac number, because 113445589 - 2¹ = 113445587 is a prime.

It is a Duffinian number.

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 (113445581) 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 3 ways as a sum of consecutive naturals, for example, 1533012 + ... + 1533085.

It is an arithmetic number, because the mean of its divisors is an integer number (29127931).

Almost surely, 2^113445589 is an apocalyptic number.

It is an amenable number.

113445589 is a deficient number, since it is larger than the sum of its proper divisors (3066135).

113445589 is an equidigital number, since it uses as much as digits as its factorization.

113445589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066134.

The product of its digits is 86400, while the sum is 40.

The square root of 113445589 is about 10651.0839354500. The cubic root of 113445589 is about 484.0934480789.

The spelling of 113445589 in words is "one hundred thirteen million, four hundred forty-five thousand, five hundred eighty-nine".