45319173 has 4 divisors (see below), whose sum is σ = 60425568. Its totient is φ = 30212780.

The previous prime is 45319171. The next prime is 45319193. The reversal of 45319173 is 37191354.

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 not a de Polignac number, because 45319173 - 2¹ = 45319171 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45319171) 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, 7553193 + ... + 7553198.

It is an arithmetic number, because the mean of its divisors is an integer number (15106392).

Almost surely, 2^45319173 is an apocalyptic number.

It is an amenable number.

45319173 is a deficient number, since it is larger than the sum of its proper divisors (15106395).

45319173 is a wasteful number, since it uses less digits than its factorization.

45319173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15106394.

The product of its digits is 11340, while the sum is 33.

The square root of 45319173 is about 6731.9516486677. The cubic root of 45319173 is about 356.5282865903.

The spelling of 45319173 in words is "forty-five million, three hundred nineteen thousand, one hundred seventy-three".