45720982 has 4 divisors (see below), whose sum is σ = 68581476. Its totient is φ = 22860490.

The previous prime is 45720977. The next prime is 45721009. The reversal of 45720982 is 28902754.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11430244 + ... + 11430247.

It is an arithmetic number, because the mean of its divisors is an integer number (17145369).

Almost surely, 2^45720982 is an apocalyptic number.

45720982 is a deficient number, since it is larger than the sum of its proper divisors (22860494).

45720982 is a wasteful number, since it uses less digits than its factorization.

45720982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22860493.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 45720982 is about 6761.7292167019. The cubic root of 45720982 is about 357.5788718672.

The spelling of 45720982 in words is "forty-five million, seven hundred twenty thousand, nine hundred eighty-two".