45375444 has 48 divisors (see below), whose sum is σ = 121443840. Its totient is φ = 14636160.

The previous prime is 45375437. The next prime is 45375457. The reversal of 45375444 is 44457354.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 45375399 and 45375408.

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, 3429 + ... + 10124.

It is an arithmetic number, because the mean of its divisors is an integer number (2530080).

Almost surely, 2^45375444 is an apocalyptic number.

It is an amenable number.

45375444 is an abundant number, since it is smaller than the sum of its proper divisors (76068396).

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

45375444 is a wasteful number, since it uses less digits than its factorization.

45375444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13597 (or 13589 counting only the distinct ones).

The product of its digits is 134400, while the sum is 36.

The square root of 45375444 is about 6736.1297493442. The cubic root of 45375444 is about 356.6757878511.

The spelling of 45375444 in words is "forty-five million, three hundred seventy-five thousand, four hundred forty-four".