45015018 has 16 divisors (see below), whose sum is σ = 93134880. Its totient is φ = 14487536.

The previous prime is 45015013. The next prime is 45015029. The reversal of 45015018 is 81051054.

It is not an unprimeable number, because it can be changed into a prime (45015013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129180 + ... + 129527.

It is an arithmetic number, because the mean of its divisors is an integer number (5820930).

Almost surely, 2^45015018 is an apocalyptic number.

45015018 is an abundant number, since it is smaller than the sum of its proper divisors (48119862).

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

45015018 is a wasteful number, since it uses less digits than its factorization.

45015018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258741.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 45015018 is about 6709.3232147512. The cubic root of 45015018 is about 355.7288945100.

The spelling of 45015018 in words is "forty-five million, fifteen thousand, eighteen".