45521773 has 12 divisors (see below), whose sum is σ = 50301664. Its totient is φ = 41164200.

The previous prime is 45521771. The next prime is 45521783. The reversal of 45521773 is 37712554.

It is not a de Polignac number, because 45521773 - 2¹ = 45521771 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 (45521771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24640 + ... + 26422.

Almost surely, 2^45521773 is an apocalyptic number.

It is an amenable number.

45521773 is a deficient number, since it is larger than the sum of its proper divisors (4779891).

45521773 is a wasteful number, since it uses less digits than its factorization.

45521773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016 (or 2005 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 45521773 is about 6746.9825107228. The cubic root of 45521773 is about 357.0587850794.

The spelling of 45521773 in words is "forty-five million, five hundred twenty-one thousand, seven hundred seventy-three".