45605165 has 4 divisors (see below), whose sum is σ = 54726204. Its totient is φ = 36484128.

The previous prime is 45605141. The next prime is 45605173. The reversal of 45605165 is 56150654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4721929 + 40883236 = 2173^2 + 6394^2 .

It is a cyclic number.

It is not a de Polignac number, because 45605165 - 2¹⁸ = 45343021 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 4560512 + ... + 4560521.

It is an arithmetic number, because the mean of its divisors is an integer number (13681551).

Almost surely, 2^45605165 is an apocalyptic number.

It is an amenable number.

45605165 is a deficient number, since it is larger than the sum of its proper divisors (9121039).

45605165 is an equidigital number, since it uses as much as digits as its factorization.

45605165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9121038.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 45605165 is about 6753.1596308691. The cubic root of 45605165 is about 357.2766858073.

The spelling of 45605165 in words is "forty-five million, six hundred five thousand, one hundred sixty-five".