45137982 has 8 divisors (see below), whose sum is σ = 90275976. Its totient is φ = 15045992.

The previous prime is 45137969. The next prime is 45138013. The reversal of 45137982 is 28973154.

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

45137982 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 45137982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3761493 + ... + 3761504.

It is an arithmetic number, because the mean of its divisors is an integer number (11284497).

Almost surely, 2^45137982 is an apocalyptic number.

45137982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45137982 is a wasteful number, since it uses less digits than its factorization.

45137982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523002.

The product of its digits is 60480, while the sum is 39.

The square root of 45137982 is about 6718.4806318095. The cubic root of 45137982 is about 356.0525056168.

The spelling of 45137982 in words is "forty-five million, one hundred thirty-seven thousand, nine hundred eighty-two".