45224073 has 6 divisors (see below), whose sum is σ = 65323674. Its totient is φ = 30149376.

The previous prime is 45224059. The next prime is 45224077. The reversal of 45224073 is 37042254.

It can be written as a sum of positive squares in only one way, i.e., 43718544 + 1505529 = 6612^2 + 1227^2 .

It is not a de Polignac number, because 45224073 - 2⁴ = 45224057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45224077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2512440 + ... + 2512457.

It is an arithmetic number, because the mean of its divisors is an integer number (10887279).

Almost surely, 2^45224073 is an apocalyptic number.

It is an amenable number.

45224073 is a deficient number, since it is larger than the sum of its proper divisors (20099601).

45224073 is a wasteful number, since it uses less digits than its factorization.

45224073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024903 (or 5024900 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 45224073 is about 6724.8846086755. The cubic root of 45224073 is about 356.2787264001.

The spelling of 45224073 in words is "forty-five million, two hundred twenty-four thousand, seventy-three".