113031645 has 32 divisors (see below), whose sum is σ = 184633344. Its totient is φ = 59035200.

The previous prime is 113031631. The next prime is 113031689. The reversal of 113031645 is 546130311.

It is not a de Polignac number, because 113031645 - 2¹¹ = 113029597 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224464 + ... + 224966.

It is an arithmetic number, because the mean of its divisors is an integer number (5769792).

Almost surely, 2^113031645 is an apocalyptic number.

113031645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113031645 is a deficient number, since it is larger than the sum of its proper divisors (71601699).

113031645 is a wasteful number, since it uses less digits than its factorization.

113031645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 113031645 is about 10631.6341641349. The cubic root of 113031645 is about 483.5039384522.

Adding to 113031645 its reverse (546130311), we get a palindrome (659161956).

The spelling of 113031645 in words is "one hundred thirteen million, thirty-one thousand, six hundred forty-five".