45557418 has 8 divisors (see below), whose sum is σ = 91114848. Its totient is φ = 15185804.

The previous prime is 45557417. The next prime is 45557431. The reversal of 45557418 is 81475554.

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

45557418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (45557417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3796446 + ... + 3796457.

It is an arithmetic number, because the mean of its divisors is an integer number (11389356).

Almost surely, 2^45557418 is an apocalyptic number.

45557418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45557418 is a wasteful number, since it uses less digits than its factorization.

45557418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7592908.

The product of its digits is 112000, while the sum is 39.

The square root of 45557418 is about 6749.6235450579. The cubic root of 45557418 is about 357.1519569034.

The spelling of 45557418 in words is "forty-five million, five hundred fifty-seven thousand, four hundred eighteen".