113512045 has 16 divisors (see below), whose sum is σ = 141083712. Its totient is φ = 87615360.

The previous prime is 113512037. The next prime is 113512057. The reversal of 113512045 is 540215311.

It is a happy number.

It is not a de Polignac number, because 113512045 - 2³ = 113512037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 14665 + ... + 21025.

It is an arithmetic number, because the mean of its divisors is an integer number (8817732).

Almost surely, 2^113512045 is an apocalyptic number.

It is an amenable number.

113512045 is a deficient number, since it is larger than the sum of its proper divisors (27571667).

113512045 is an equidigital number, since it uses as much as digits as its factorization.

113512045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 113512045 is about 10654.2031611942. The cubic root of 113512045 is about 484.1879563351.

Adding to 113512045 its reverse (540215311), we get a palindrome (653727356).

The spelling of 113512045 in words is "one hundred thirteen million, five hundred twelve thousand, forty-five".