45044385 has 16 divisors (see below), whose sum is σ = 72161280. Its totient is φ = 23993600.

The previous prime is 45044369. The next prime is 45044387. The reversal of 45044385 is 58344054.

45044385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45044385 - 2⁴ = 45044369 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (45044387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15961 + ... + 18569.

It is an arithmetic number, because the mean of its divisors is an integer number (4510080).

Almost surely, 2^45044385 is an apocalyptic number.

It is an amenable number.

45044385 is a deficient number, since it is larger than the sum of its proper divisors (27116895).

45044385 is a wasteful number, since it uses less digits than its factorization.

45044385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 45044385 is about 6711.5113797117. The cubic root of 45044385 is about 355.8062347695.

The spelling of 45044385 in words is "forty-five million, forty-four thousand, three hundred eighty-five".