113981045 has 8 divisors (see below), whose sum is σ = 136835160. Its totient is φ = 91146240.

The previous prime is 113981041. The next prime is 113981071. The reversal of 113981045 is 540189311.

It can be written as a sum of positive squares in 4 ways, for example, as 6195121 + 107785924 = 2489^2 + 10382^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113981045 - 2² = 113981041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113981041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17885 + ... + 23405.

It is an arithmetic number, because the mean of its divisors is an integer number (17104395).

Almost surely, 2^113981045 is an apocalyptic number.

It is an amenable number.

113981045 is a deficient number, since it is larger than the sum of its proper divisors (22854115).

113981045 is an equidigital number, since it uses as much as digits as its factorization.

113981045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9655.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 113981045 is about 10676.1905659275. The cubic root of 113981045 is about 484.8538830746.

The spelling of 113981045 in words is "one hundred thirteen million, nine hundred eighty-one thousand, forty-five".