45043765 has 16 divisors (see below), whose sum is σ = 59084928. Its totient is φ = 32763456.

The previous prime is 45043759. The next prime is 45043783. The reversal of 45043765 is 56734054.

It is a happy number.

45043765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45043765 - 2²⁵ = 11489333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45043765.

It is a congruent number.

It is an unprimeable number.

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, 817 + ... + 9526.

It is an arithmetic number, because the mean of its divisors is an integer number (3692808).

Almost surely, 2^45043765 is an apocalyptic number.

It is an amenable number.

45043765 is a deficient number, since it is larger than the sum of its proper divisors (14041163).

45043765 is a wasteful number, since it uses less digits than its factorization.

45043765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10428.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 45043765 is about 6711.4651902547. The cubic root of 45043765 is about 355.8046022991.

The spelling of 45043765 in words is "forty-five million, forty-three thousand, seven hundred sixty-five".