45718778 has 8 divisors (see below), whose sum is σ = 78375072. Its totient is φ = 19593756.

The previous prime is 45718759. The next prime is 45718789. The reversal of 45718778 is 87781754.

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, 1632800 + ... + 1632827.

It is an arithmetic number, because the mean of its divisors is an integer number (9796884).

Almost surely, 2^45718778 is an apocalyptic number.

45718778 is a deficient number, since it is larger than the sum of its proper divisors (32656294).

45718778 is a wasteful number, since it uses less digits than its factorization.

45718778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265636.

The product of its digits is 439040, while the sum is 47.

The square root of 45718778 is about 6761.5662386758. The cubic root of 45718778 is about 357.5731260261.

The spelling of 45718778 in words is "forty-five million, seven hundred eighteen thousand, seven hundred seventy-eight".