45741618 has 64 divisors (see below), whose sum is σ = 114266880. Its totient is φ = 13457664.

The previous prime is 45741617. The next prime is 45741629. The reversal of 45741618 is 81614754.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45741617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14730 + ... + 17562.

It is an arithmetic number, because the mean of its divisors is an integer number (1785420).

Almost surely, 2^45741618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45741618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57133440).

45741618 is an abundant number, since it is smaller than the sum of its proper divisors (68525262).

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

45741618 is a wasteful number, since it uses less digits than its factorization.

45741618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880 (or 2874 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 45741618 is about 6763.2549855820. The cubic root of 45741618 is about 357.6326610860.

The spelling of 45741618 in words is "forty-five million, seven hundred forty-one thousand, six hundred eighteen".