45944827858 has 4 divisors (see below), whose sum is σ = 68917241790. Its totient is φ = 22972413928.

The previous prime is 45944827849. The next prime is 45944827889. The reversal of 45944827858 is 85872844954.

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

It can be written as a sum of positive squares in only one way, i.e., 24047635329 + 21897192529 = 155073^2 + 147977^2 .

It is a super-2 number, since 2×45944827858² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45944827858.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11486206963 + ... + 11486206966.

Almost surely, 2^45944827858 is an apocalyptic number.

45944827858 is a deficient number, since it is larger than the sum of its proper divisors (22972413932).

45944827858 is a wasteful number, since it uses less digits than its factorization.

45944827858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22972413931.

The product of its digits is 103219200, while the sum is 64.

The spelling of 45944827858 in words is "forty-five billion, nine hundred forty-four million, eight hundred twenty-seven thousand, eight hundred fifty-eight".