45241309 has 2 divisors, whose sum is σ = 45241310. Its totient is φ = 45241308.

The previous prime is 45241297. The next prime is 45241349. The reversal of 45241309 is 90314254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38713284 + 6528025 = 6222^2 + 2555^2 .

It is a cyclic number.

It is not a de Polignac number, because 45241309 - 2⁷ = 45241181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45241349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22620654 + 22620655.

It is an arithmetic number, because the mean of its divisors is an integer number (22620655).

Almost surely, 2^45241309 is an apocalyptic number.

It is an amenable number.

45241309 is a deficient number, since it is larger than the sum of its proper divisors (1).

45241309 is an equidigital number, since it uses as much as digits as its factorization.

45241309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 45241309 is about 6726.1659955728. The cubic root of 45241309 is about 356.3239828292.

The spelling of 45241309 in words is "forty-five million, two hundred forty-one thousand, three hundred nine".