45137279978 has 16 divisors (see below), whose sum is σ = 77380989504. Its totient is φ = 19343849760.

The previous prime is 45137279963. The next prime is 45137280017. The reversal of 45137279978 is 87997273154.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45137279978.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598718 + ... + 669878.

It is an arithmetic number, because the mean of its divisors is an integer number (4836311844).

Almost surely, 2^45137279978 is an apocalyptic number.

45137279978 is a deficient number, since it is larger than the sum of its proper divisors (32243709526).

45137279978 is a wasteful number, since it uses less digits than its factorization.

45137279978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116477.

The product of its digits is 26671680, while the sum is 62.

The spelling of 45137279978 in words is "forty-five billion, one hundred thirty-seven million, two hundred seventy-nine thousand, nine hundred seventy-eight".