45490818 has 16 divisors (see below), whose sum is σ = 93098016. Its totient is φ = 14810880.

The previous prime is 45490787. The next prime is 45490891. The reversal of 45490818 is 81809454.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87903 + ... + 88418.

It is an arithmetic number, because the mean of its divisors is an integer number (5818626).

Almost surely, 2^45490818 is an apocalyptic number.

45490818 is an abundant number, since it is smaller than the sum of its proper divisors (47607198).

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

45490818 is a wasteful number, since it uses less digits than its factorization.

45490818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176369.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 45490818 is about 6744.6881321526. The cubic root of 45490818 is about 356.9778328946.

The spelling of 45490818 in words is "forty-five million, four hundred ninety thousand, eight hundred eighteen".