45173927785 has 8 divisors (see below), whose sum is σ = 61952815296. Its totient is φ = 30976407600.

The previous prime is 45173927731. The next prime is 45173927861. The reversal of 45173927785 is 58772937154.

45173927785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45173927785 - 2⁷ = 45173927657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645341791 + ... + 645341860.

It is an arithmetic number, because the mean of its divisors is an integer number (7744101912).

Almost surely, 2^45173927785 is an apocalyptic number.

It is an amenable number.

45173927785 is a deficient number, since it is larger than the sum of its proper divisors (16778887511).

45173927785 is a wasteful number, since it uses less digits than its factorization.

45173927785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290683663.

The product of its digits is 14817600, while the sum is 58.

The spelling of 45173927785 in words is "forty-five billion, one hundred seventy-three million, nine hundred twenty-seven thousand, seven hundred eighty-five".