45203680 has 48 divisors (see below), whose sum is σ = 113082480. Its totient is φ = 17016832.

The previous prime is 45203657. The next prime is 45203681. The reversal of 45203680 is 8630254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45203681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5590 + ... + 11029.

It is an arithmetic number, because the mean of its divisors is an integer number (2355885).

Almost surely, 2^45203680 is an apocalyptic number.

45203680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45203680 is an abundant number, since it is smaller than the sum of its proper divisors (67878800).

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

45203680 is a wasteful number, since it uses less digits than its factorization.

45203680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16651 (or 16643 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 45203680 is about 6723.3682035123. The cubic root of 45203680 is about 356.2251658076.

The spelling of 45203680 in words is "forty-five million, two hundred three thousand, six hundred eighty".