45447874454 has 4 divisors (see below), whose sum is σ = 68171811684. Its totient is φ = 22723937226.

The previous prime is 45447874421. The next prime is 45447874457.

45447874454 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45447874454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45447874457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11361968612 + ... + 11361968615.

It is an arithmetic number, because the mean of its divisors is an integer number (17042952921).

Almost surely, 2^45447874454 is an apocalyptic number.

45447874454 is a deficient number, since it is larger than the sum of its proper divisors (22723937230).

45447874454 is a wasteful number, since it uses less digits than its factorization.

45447874454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22723937229.

The product of its digits is 40140800, while the sum is 56.

The spelling of 45447874454 in words is "forty-five billion, four hundred forty-seven million, eight hundred seventy-four thousand, four hundred fifty-four".