45183778018 has 8 divisors (see below), whose sum is σ = 68224512960. Its totient is φ = 22442273700.

The previous prime is 45183777983. The next prime is 45183778021. The reversal of 45183778018 is 81087738154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74807278 + ... + 74807881.

It is an arithmetic number, because the mean of its divisors is an integer number (8528064120).

Almost surely, 2^45183778018 is an apocalyptic number.

45183778018 is a deficient number, since it is larger than the sum of its proper divisors (23040734942).

45183778018 is a wasteful number, since it uses less digits than its factorization.

45183778018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149615312.

The product of its (nonzero) digits is 1505280, while the sum is 52.

The spelling of 45183778018 in words is "forty-five billion, one hundred eighty-three million, seven hundred seventy-eight thousand, eighteen".