45422878 has 16 divisors (see below), whose sum is σ = 73822320. Its totient is φ = 20877696.

The previous prime is 45422813. The next prime is 45422887. The reversal of 45422878 is 87822454.

45422878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 45422878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14073 + ... + 16996.

It is an arithmetic number, because the mean of its divisors is an integer number (4613895).

Almost surely, 2^45422878 is an apocalyptic number.

45422878 is a deficient number, since it is larger than the sum of its proper divisors (28399442).

45422878 is a wasteful number, since it uses less digits than its factorization.

45422878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31131.

The product of its digits is 143360, while the sum is 40.

The square root of 45422878 is about 6739.6496941607. The cubic root of 45422878 is about 356.8000302892.

It can be divided in two parts, 454 and 22878, that added together give a palindrome (23332).

The spelling of 45422878 in words is "forty-five million, four hundred twenty-two thousand, eight hundred seventy-eight".