45240384 has 112 divisors (see below), whose sum is σ = 140305536. Its totient is φ = 12595200.

The previous prime is 45240373. The next prime is 45240397. The reversal of 45240384 is 48304254.

It is a tau number, because it is divible by the number of its divisors (112).

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, 54694 + ... + 55514.

It is an arithmetic number, because the mean of its divisors is an integer number (1252728).

Almost surely, 2^45240384 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 45240384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70152768).

45240384 is an abundant number, since it is smaller than the sum of its proper divisors (95065152).

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

45240384 is a wasteful number, since it uses less digits than its factorization.

45240384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 45240384 is about 6726.0972339091. The cubic root of 45240384 is about 356.3215543559.

The spelling of 45240384 in words is "forty-five million, two hundred forty thousand, three hundred eighty-four".