113481945 has 64 divisors (see below), whose sum is σ = 209468160. Its totient is φ = 58254336.

The previous prime is 113481941. The next prime is 113481961. The reversal of 113481945 is 549184311.

It is not a de Polignac number, because 113481945 - 2² = 113481941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113481941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 655879 + ... + 656051.

It is an arithmetic number, because the mean of its divisors is an integer number (3272940).

Almost surely, 2^113481945 is an apocalyptic number.

113481945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113481945 is a deficient number, since it is larger than the sum of its proper divisors (95986215).

113481945 is a wasteful number, since it uses less digits than its factorization.

113481945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 337 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 113481945 is about 10652.7904794941. The cubic root of 113481945 is about 484.1451551625.

It can be divided in two parts, 11 and 3481945, that added together give a square (3481956 = 1866²).

The spelling of 113481945 in words is "one hundred thirteen million, four hundred eighty-one thousand, nine hundred forty-five".