45573872 has 40 divisors (see below), whose sum is σ = 94252896. Its totient is φ = 21272576.

The previous prime is 45573859. The next prime is 45573883. The reversal of 45573872 is 27837554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36653 + ... + 37875.

Almost surely, 2^45573872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45573872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47126448).

45573872 is an abundant number, since it is smaller than the sum of its proper divisors (48679024).

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

45573872 is a wasteful number, since it uses less digits than its factorization.

45573872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385 (or 1379 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 45573872 is about 6750.8423178149. The cubic root of 45573872 is about 357.1949493235.

The spelling of 45573872 in words is "forty-five million, five hundred seventy-three thousand, eight hundred seventy-two".