45875309 has 2 divisors, whose sum is σ = 45875310. Its totient is φ = 45875308.

The previous prime is 45875293. The next prime is 45875339. The reversal of 45875309 is 90357854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44262409 + 1612900 = 6653^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 45875309 - 2⁴ = 45875293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45875339) 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, 22937654 + 22937655.

It is an arithmetic number, because the mean of its divisors is an integer number (22937655).

Almost surely, 2^45875309 is an apocalyptic number.

It is an amenable number.

45875309 is a deficient number, since it is larger than the sum of its proper divisors (1).

45875309 is an equidigital number, since it uses as much as digits as its factorization.

45875309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 45875309 is about 6773.1314028299. The cubic root of 45875309 is about 357.9807449877.

The spelling of 45875309 in words is "forty-five million, eight hundred seventy-five thousand, three hundred nine".