45195589 has 2 divisors, whose sum is σ = 45195590. Its totient is φ = 45195588.

The previous prime is 45195583. The next prime is 45195599. The reversal of 45195589 is 98559154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38130625 + 7064964 = 6175^2 + 2658^2 .

It is a cyclic number.

It is not a de Polignac number, because 45195589 - 2¹¹ = 45193541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45195583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22597794 + 22597795.

It is an arithmetic number, because the mean of its divisors is an integer number (22597795).

Almost surely, 2^45195589 is an apocalyptic number.

It is an amenable number.

45195589 is a deficient number, since it is larger than the sum of its proper divisors (1).

45195589 is an equidigital number, since it uses as much as digits as its factorization.

45195589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 46.

The square root of 45195589 is about 6722.7664692446. The cubic root of 45195589 is about 356.2039109761.

The spelling of 45195589 in words is "forty-five million, one hundred ninety-five thousand, five hundred eighty-nine".