45865165 has 8 divisors (see below), whose sum is σ = 55110168. Its totient is φ = 36644160.

The previous prime is 45865159. The next prime is 45865181. The reversal of 45865165 is 56156854.

It can be written as a sum of positive squares in 4 ways, for example, as 1602756 + 44262409 = 1266^2 + 6653^2 .

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

It is not a de Polignac number, because 45865165 - 2¹⁷ = 45734093 is a prime.

It is a super-2 number, since 2×45865165² = 4207226720954450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 1482 + ... + 9691.

It is an arithmetic number, because the mean of its divisors is an integer number (6888771).

Almost surely, 2^45865165 is an apocalyptic number.

It is an amenable number.

45865165 is a deficient number, since it is larger than the sum of its proper divisors (9245003).

45865165 is a wasteful number, since it uses less digits than its factorization.

45865165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11999.

The product of its digits is 144000, while the sum is 40.

The square root of 45865165 is about 6772.3825202066. The cubic root of 45865165 is about 357.9543573408.

The spelling of 45865165 in words is "forty-five million, eight hundred sixty-five thousand, one hundred sixty-five".