113522145 has 16 divisors (see below), whose sum is σ = 198148032. Its totient is φ = 55040960.

The previous prime is 113522117. The next prime is 113522183. The reversal of 113522145 is 541225311.

It is a happy number.

It is not a de Polignac number, because 113522145 - 2⁹ = 113521633 is a prime.

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, 343842 + ... + 344171.

It is an arithmetic number, because the mean of its divisors is an integer number (12384252).

Almost surely, 2^113522145 is an apocalyptic number.

113522145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113522145 is a deficient number, since it is larger than the sum of its proper divisors (84625887).

113522145 is a wasteful number, since it uses less digits than its factorization.

113522145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688032.

The product of its digits is 1200, while the sum is 24.

The square root of 113522145 is about 10654.6771419879. The cubic root of 113522145 is about 484.2023164949.

Adding to 113522145 its reverse (541225311), we get a palindrome (654747456).

The spelling of 113522145 in words is "one hundred thirteen million, five hundred twenty-two thousand, one hundred forty-five".