45777918 has 16 divisors (see below), whose sum is σ = 91653120. Its totient is φ = 15243096.

The previous prime is 45777911. The next prime is 45777931. The reversal of 45777918 is 81977754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45777911) 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, 3013 + ... + 10031.

It is an arithmetic number, because the mean of its divisors is an integer number (5728320).

Almost surely, 2^45777918 is an apocalyptic number.

45777918 is an abundant number, since it is smaller than the sum of its proper divisors (45875202).

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

45777918 is a wasteful number, since it uses less digits than its factorization.

45777918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8111.

The product of its digits is 493920, while the sum is 48.

The square root of 45777918 is about 6765.9380724331. The cubic root of 45777918 is about 357.7272404031.

The spelling of 45777918 in words is "forty-five million, seven hundred seventy-seven thousand, nine hundred eighteen".