113565145 has 8 divisors (see below), whose sum is σ = 142203456. Its totient is φ = 86901936.

The previous prime is 113565091. The next prime is 113565161. The reversal of 113565145 is 541565311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 113565145 - 2⁷ = 113565017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493647 + ... + 493876.

It is an arithmetic number, because the mean of its divisors is an integer number (17775432).

Almost surely, 2^113565145 is an apocalyptic number.

It is an amenable number.

113565145 is a deficient number, since it is larger than the sum of its proper divisors (28638311).

113565145 is an equidigital number, since it uses as much as digits as its factorization.

113565145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987551.

The product of its digits is 9000, while the sum is 31.

The square root of 113565145 is about 10656.6948440874. The cubic root of 113565145 is about 484.2634442785.

The spelling of 113565145 in words is "one hundred thirteen million, five hundred sixty-five thousand, one hundred forty-five".