45557372 has 24 divisors (see below), whose sum is σ = 92217216. Its totient is φ = 19288368.

The previous prime is 45557371. The next prime is 45557401. The reversal of 45557372 is 27375554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45557371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7478 + ... + 12125.

It is an arithmetic number, because the mean of its divisors is an integer number (3842384).

Almost surely, 2^45557372 is an apocalyptic number.

It is an amenable number.

45557372 is an abundant number, since it is smaller than the sum of its proper divisors (46659844).

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

45557372 is a wasteful number, since it uses less digits than its factorization.

45557372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19697 (or 19695 counting only the distinct ones).

The product of its digits is 147000, while the sum is 38.

The square root of 45557372 is about 6749.6201374596. The cubic root of 45557372 is about 357.1518366961.

The spelling of 45557372 in words is "forty-five million, five hundred fifty-seven thousand, three hundred seventy-two".