45446878 has 8 divisors (see below), whose sum is σ = 70012872. Its totient is φ = 22109256.

The previous prime is 45446867. The next prime is 45446881. The reversal of 45446878 is 87864454.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 307000 + ... + 307147.

It is an arithmetic number, because the mean of its divisors is an integer number (8751609).

Almost surely, 2^45446878 is an apocalyptic number.

45446878 is a deficient number, since it is larger than the sum of its proper divisors (24565994).

45446878 is a wasteful number, since it uses less digits than its factorization.

45446878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614186.

The product of its digits is 860160, while the sum is 46.

The square root of 45446878 is about 6741.4299670025. The cubic root of 45446878 is about 356.8628598101.

The spelling of 45446878 in words is "forty-five million, four hundred forty-six thousand, eight hundred seventy-eight".