45044165 has 8 divisors (see below), whose sum is σ = 54123768. Its totient is φ = 35988160.

The previous prime is 45044137. The next prime is 45044171. The reversal of 45044165 is 56144054.

It can be written as a sum of positive squares in 4 ways, for example, as 2455489 + 42588676 = 1567^2 + 6526^2 .

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

It is not a de Polignac number, because 45044165 - 2¹⁶ = 44978629 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 7 ways as a sum of consecutive naturals, for example, 1382 + ... + 9591.

It is an arithmetic number, because the mean of its divisors is an integer number (6765471).

Almost surely, 2^45044165 is an apocalyptic number.

It is an amenable number.

45044165 is a deficient number, since it is larger than the sum of its proper divisors (9079603).

45044165 is a wasteful number, since it uses less digits than its factorization.

45044165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11799.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 45044165 is about 6711.4949899408. The cubic root of 45044165 is about 355.8056555075.

The spelling of 45044165 in words is "forty-five million, forty-four thousand, one hundred sixty-five".