45240832 has 80 divisors (see below), whose sum is σ = 111367872. Its totient is φ = 17879040.

The previous prime is 45240827. The next prime is 45240847. The reversal of 45240832 is 23804254.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 45240832.

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, 46107 + ... + 47077.

Almost surely, 2^45240832 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 45240832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55683936).

45240832 is an abundant number, since it is smaller than the sum of its proper divisors (66127040).

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

45240832 is an equidigital number, since it uses as much as digits as its factorization.

45240832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 45240832 is about 6726.1305369432. The cubic root of 45240832 is about 356.3227305287.

The spelling of 45240832 in words is "forty-five million, two hundred forty thousand, eight hundred thirty-two".