45573132 has 48 divisors (see below), whose sum is σ = 117758592. Its totient is φ = 13601280.

The previous prime is 45573109. The next prime is 45573137. The reversal of 45573132 is 23137554.

It is a self number, because there is not a number n which added to its sum of digits gives 45573132.

It is not an unprimeable number, because it can be changed into a prime (45573137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6268 + ... + 11420.

It is an arithmetic number, because the mean of its divisors is an integer number (2453304).

Almost surely, 2^45573132 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 45573132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58879296).

45573132 is an abundant number, since it is smaller than the sum of its proper divisors (72185460).

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

45573132 is a wasteful number, since it uses less digits than its factorization.

45573132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5238 (or 5236 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 45573132 is about 6750.7875096169. The cubic root of 45573132 is about 357.1930160104.

The spelling of 45573132 in words is "forty-five million, five hundred seventy-three thousand, one hundred thirty-two".