4545618 has 32 divisors (see below), whose sum is σ = 11335680. Its totient is φ = 1180560.

The previous prime is 4545601. The next prime is 4545641. The reversal of 4545618 is 8165454.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4458 + ... + 5381.

It is an arithmetic number, because the mean of its divisors is an integer number (354240).

Almost surely, 2^4545618 is an apocalyptic number.

4545618 is an abundant number, since it is smaller than the sum of its proper divisors (6790062).

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

4545618 is a wasteful number, since it uses less digits than its factorization.

4545618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9862.

The product of its digits is 19200, while the sum is 33.

The square root of 4545618 is about 2132.0454967003. The cubic root of 4545618 is about 165.6523668081.

The spelling of 4545618 in words is "four million, five hundred forty-five thousand, six hundred eighteen".