45303372 has 72 divisors (see below), whose sum is σ = 121867200. Its totient is φ = 14149728.

The previous prime is 45303371. The next prime is 45303397. The reversal of 45303372 is 27330354.

It is not an unprimeable number, because it can be changed into a prime (45303371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72879 + ... + 73497.

It is an arithmetic number, because the mean of its divisors is an integer number (1692600).

Almost surely, 2^45303372 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 45303372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60933600).

45303372 is an abundant number, since it is smaller than the sum of its proper divisors (76563828).

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

45303372 is a wasteful number, since it uses less digits than its factorization.

45303372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 45303372 is about 6730.7779639504. Note that the first 3 decimals coincide. The cubic root of 45303372 is about 356.4868460113.

The spelling of 45303372 in words is "forty-five million, three hundred three thousand, three hundred seventy-two".