45513982 has 8 divisors (see below), whose sum is σ = 69232752. Its totient is φ = 22436400.

The previous prime is 45513973. The next prime is 45513989. The reversal of 45513982 is 28931554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45513989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160119 + ... + 160402.

It is an arithmetic number, because the mean of its divisors is an integer number (8654094).

Almost surely, 2^45513982 is an apocalyptic number.

45513982 is a deficient number, since it is larger than the sum of its proper divisors (23718770).

45513982 is a wasteful number, since it uses less digits than its factorization.

45513982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320594.

The product of its digits is 43200, while the sum is 37.

The square root of 45513982 is about 6746.4051168011. The cubic root of 45513982 is about 357.0384138480.

The spelling of 45513982 in words is "forty-five million, five hundred thirteen thousand, nine hundred eighty-two".