45744778 has 8 divisors (see below), whose sum is σ = 70830720. Its totient is φ = 22134540.

The previous prime is 45744767. The next prime is 45744817. The reversal of 45744778 is 87744754.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368848 + ... + 368971.

It is an arithmetic number, because the mean of its divisors is an integer number (8853840).

Almost surely, 2^45744778 is an apocalyptic number.

45744778 is a deficient number, since it is larger than the sum of its proper divisors (25085942).

45744778 is a wasteful number, since it uses less digits than its factorization.

45744778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737852.

The product of its digits is 878080, while the sum is 46.

The square root of 45744778 is about 6763.4885968707. The cubic root of 45744778 is about 357.6408964250.

The spelling of 45744778 in words is "forty-five million, seven hundred forty-four thousand, seven hundred seventy-eight".