45497318 has 4 divisors (see below), whose sum is σ = 68245980. Its totient is φ = 22748658.

The previous prime is 45497293. The next prime is 45497327. The reversal of 45497318 is 81379454.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11374328 + ... + 11374331.

It is an arithmetic number, because the mean of its divisors is an integer number (17061495).

Almost surely, 2^45497318 is an apocalyptic number.

45497318 is a deficient number, since it is larger than the sum of its proper divisors (22748662).

45497318 is a wasteful number, since it uses less digits than its factorization.

45497318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22748661.

The product of its digits is 120960, while the sum is 41.

The square root of 45497318 is about 6745.1699756196. The cubic root of 45497318 is about 356.9948344604.

The spelling of 45497318 in words is "forty-five million, four hundred ninety-seven thousand, three hundred eighteen".