45447593 has 2 divisors, whose sum is σ = 45447594. Its totient is φ = 45447592.

The previous prime is 45447551. The next prime is 45447607. The reversal of 45447593 is 39574454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23843689 + 21603904 = 4883^2 + 4648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45447593 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45447593.

It is not a weakly prime, because it can be changed into another prime (45447893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22723796 + 22723797.

It is an arithmetic number, because the mean of its divisors is an integer number (22723797).

Almost surely, 2^45447593 is an apocalyptic number.

It is an amenable number.

45447593 is a deficient number, since it is larger than the sum of its proper divisors (1).

45447593 is an equidigital number, since it uses as much as digits as its factorization.

45447593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 41.

The square root of 45447593 is about 6741.4829970860. The cubic root of 45447593 is about 356.8647312669.

The spelling of 45447593 in words is "forty-five million, four hundred forty-seven thousand, five hundred ninety-three".