45579618 has 128 divisors (see below), whose sum is σ = 126282240. Its totient is φ = 11888640.

The previous prime is 45579617. The next prime is 45579623. The reversal of 45579618 is 81697554.

45579618 is a `hidden beast` number, since 4 + 557 + 96 + 1 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (45579617) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 263380 + ... + 263552.

It is an arithmetic number, because the mean of its divisors is an integer number (986580).

Almost surely, 2^45579618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45579618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63141120).

45579618 is an abundant number, since it is smaller than the sum of its proper divisors (80702622).

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

45579618 is a wasteful number, since it uses less digits than its factorization.

45579618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 243 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 45579618 is about 6751.2678809243. The cubic root of 45579618 is about 357.2099605264.

The spelling of 45579618 in words is "forty-five million, five hundred seventy-nine thousand, six hundred eighteen".