45201608618 has 16 divisors (see below), whose sum is σ = 72162773640. Its totient is φ = 21161127936.

The previous prime is 45201608603. The next prime is 45201608651. The reversal of 45201608618 is 81680610254.

It can be written as a sum of positive squares in 4 ways, for example, as 41647421929 + 3554186689 = 204077^2 + 59617^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3437633 + ... + 3450756.

Almost surely, 2^45201608618 is an apocalyptic number.

45201608618 is a deficient number, since it is larger than the sum of its proper divisors (26961165022).

45201608618 is a wasteful number, since it uses less digits than its factorization.

45201608618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6888601.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 45201608618 in words is "forty-five billion, two hundred one million, six hundred eight thousand, six hundred eighteen".