45390573 has 12 divisors (see below), whose sum is σ = 65899548. Its totient is φ = 30105600.

The previous prime is 45390571. The next prime is 45390581. The reversal of 45390573 is 37509354.

It can be written as a sum of positive squares in 2 ways, for example, as 45118089 + 272484 = 6717^2 + 522^2 .

It is not a de Polignac number, because 45390573 - 2¹ = 45390571 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 (45390571) 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, 11028 + ... + 14573.

It is an arithmetic number, because the mean of its divisors is an integer number (5491629).

Almost surely, 2^45390573 is an apocalyptic number.

It is an amenable number.

45390573 is a deficient number, since it is larger than the sum of its proper divisors (20508975).

45390573 is a wasteful number, since it uses less digits than its factorization.

45390573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25804 (or 25801 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 45390573 is about 6737.2526299672. The cubic root of 45390573 is about 356.7154241823.

The spelling of 45390573 in words is "forty-five million, three hundred ninety thousand, five hundred seventy-three".