45169385397864 has 128 divisors (see below), whose sum is σ = 138984737095680. Its totient is φ = 11912632416000.

The previous prime is 45169385397863. The next prime is 45169385397979. The reversal of 45169385397864 is 46879358396154.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a self number, because there is not a number n which added to its sum of digits gives 45169385397864.

It is not an unprimeable number, because it can be changed into a prime (45169385397863) 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, 235712889 + ... + 235904439.

It is an arithmetic number, because the mean of its divisors is an integer number (1085818258560).

Almost surely, 2^{45169385397864} is an apocalyptic number.

It is an amenable number.

45169385397864 is an abundant number, since it is smaller than the sum of its proper divisors (93815351697816).

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

45169385397864 is a wasteful number, since it uses less digits than its factorization.

45169385397864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299551 (or 299547 counting only the distinct ones).

The product of its digits is 4702924800, while the sum is 78.

The spelling of 45169385397864 in words is "forty-five trillion, one hundred sixty-nine billion, three hundred eighty-five million, three hundred ninety-seven thousand, eight hundred sixty-four".