45201642872178 has 32 divisors (see below), whose sum is σ = 97488417591936. Its totient is φ = 13889478814848.

The previous prime is 45201642872173. The next prime is 45201642872261. The reversal of 45201642872178 is 87127824610254.

It is not an unprimeable number, because it can be changed into a prime (45201642872171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389920675 + ... + 390036582.

It is an arithmetic number, because the mean of its divisors is an integer number (3046513049748).

Almost surely, 2^{45201642872178} is an apocalyptic number.

45201642872178 is an abundant number, since it is smaller than the sum of its proper divisors (52286774719758).

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

45201642872178 is a wasteful number, since it uses less digits than its factorization.

45201642872178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779958018.

The product of its (nonzero) digits is 12042240, while the sum is 57.

The spelling of 45201642872178 in words is "forty-five trillion, two hundred one billion, six hundred forty-two million, eight hundred seventy-two thousand, one hundred seventy-eight".