45651444 has 48 divisors (see below), whose sum is σ = 109408320. Its totient is φ = 14809600.

The previous prime is 45651421. The next prime is 45651479. The reversal of 45651444 is 44415654.

Its product of digits (38400) is a multiple of the sum of its prime factors (640).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113644 + ... + 114044.

It is an arithmetic number, because the mean of its divisors is an integer number (2279340).

Almost surely, 2^45651444 is an apocalyptic number.

It is an amenable number.

45651444 is an abundant number, since it is smaller than the sum of its proper divisors (63756876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45651444 is a wasteful number, since it uses less digits than its factorization.

45651444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 638 counting only the distinct ones).

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

The square root of 45651444 is about 6756.5852322012. The cubic root of 45651444 is about 357.3974968163.

The spelling of 45651444 in words is "forty-five million, six hundred fifty-one thousand, four hundred forty-four".