45044670 has 48 divisors (see below), whose sum is σ = 118838160. Its totient is φ = 10919040.

The previous prime is 45044669. The next prime is 45044677. The reversal of 45044670 is 7644054.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45044677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2575 + ... + 9834.

It is an arithmetic number, because the mean of its divisors is an integer number (2475795).

Almost surely, 2^45044670 is an apocalyptic number.

45044670 is an abundant number, since it is smaller than the sum of its proper divisors (73793490).

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

45044670 is a wasteful number, since it uses less digits than its factorization.

45044670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12441 (or 12430 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 45044670 is about 6711.5326118555. The cubic root of 45044670 is about 355.8069851743.

The spelling of 45044670 in words is "forty-five million, forty-four thousand, six hundred seventy".