45457073 has 2 divisors, whose sum is σ = 45457074. Its totient is φ = 45457072.

The previous prime is 45457057. The next prime is 45457079. The reversal of 45457073 is 37075454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32982049 + 12475024 = 5743^2 + 3532^2 .

It is a cyclic number.

It is not a de Polignac number, because 45457073 - 2⁴ = 45457057 is a prime.

It is not a weakly prime, because it can be changed into another prime (45457079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22728536 + 22728537.

It is an arithmetic number, because the mean of its divisors is an integer number (22728537).

Almost surely, 2^45457073 is an apocalyptic number.

It is an amenable number.

45457073 is a deficient number, since it is larger than the sum of its proper divisors (1).

45457073 is an equidigital number, since it uses as much as digits as its factorization.

45457073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 45457073 is about 6742.1860698144. The cubic root of 45457073 is about 356.8895425732.

The spelling of 45457073 in words is "forty-five million, four hundred fifty-seven thousand, seventy-three".