45028173 has 4 divisors (see below), whose sum is σ = 60037568. Its totient is φ = 30018780.

The previous prime is 45028171. The next prime is 45028219. The reversal of 45028173 is 37182054.

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 not a de Polignac number, because 45028173 - 2¹ = 45028171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45028173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45028171) 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, 7504693 + ... + 7504698.

It is an arithmetic number, because the mean of its divisors is an integer number (15009392).

Almost surely, 2^45028173 is an apocalyptic number.

It is an amenable number.

45028173 is a deficient number, since it is larger than the sum of its proper divisors (15009395).

45028173 is a wasteful number, since it uses less digits than its factorization.

45028173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15009394.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 45028173 is about 6710.3034953719. The cubic root of 45028173 is about 355.7635433749.

The spelling of 45028173 in words is "forty-five million, twenty-eight thousand, one hundred seventy-three".