113565845 has 16 divisors (see below), whose sum is σ = 137870208. Its totient is φ = 89799360.

The previous prime is 113565833. The next prime is 113565847. The reversal of 113565845 is 548565311.

It is not a de Polignac number, because 113565845 - 2¹⁰ = 113564821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113565799 and 113565808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113565847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231050 + ... + 231540.

It is an arithmetic number, because the mean of its divisors is an integer number (8616888).

Almost surely, 2^113565845 is an apocalyptic number.

It is an amenable number.

113565845 is a deficient number, since it is larger than the sum of its proper divisors (24304363).

113565845 is a wasteful number, since it uses less digits than its factorization.

113565845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940.

The product of its digits is 72000, while the sum is 38.

The square root of 113565845 is about 10656.7276872406. The cubic root of 113565845 is about 484.2644392543.

The spelling of 113565845 in words is "one hundred thirteen million, five hundred sixty-five thousand, eight hundred forty-five".