45878173 has 4 divisors (see below), whose sum is σ = 50048928. Its totient is φ = 41707420.

The previous prime is 45878153. The next prime is 45878177. The reversal of 45878173 is 37187854.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45878173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45878177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2085361 + ... + 2085382.

It is an arithmetic number, because the mean of its divisors is an integer number (12512232).

Almost surely, 2^45878173 is an apocalyptic number.

It is an amenable number.

45878173 is a deficient number, since it is larger than the sum of its proper divisors (4170755).

45878173 is a wasteful number, since it uses less digits than its factorization.

45878173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170754.

The product of its digits is 188160, while the sum is 43.

The square root of 45878173 is about 6773.3428231561. The cubic root of 45878173 is about 357.9881944236.

It can be divided in two parts, 458781 and 73, that added together give a palindrome (458854).

The spelling of 45878173 in words is "forty-five million, eight hundred seventy-eight thousand, one hundred seventy-three".