45009379 has 2 divisors, whose sum is σ = 45009380. Its totient is φ = 45009378.

The previous prime is 45009329. The next prime is 45009403. The reversal of 45009379 is 97390054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45009379 - 2⁹ = 45008867 is a prime.

It is not a weakly prime, because it can be changed into another prime (45009329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22504689 + 22504690.

It is an arithmetic number, because the mean of its divisors is an integer number (22504690).

Almost surely, 2^45009379 is an apocalyptic number.

45009379 is a deficient number, since it is larger than the sum of its proper divisors (1).

45009379 is an equidigital number, since it uses as much as digits as its factorization.

45009379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 45009379 is about 6708.9029654631. The cubic root of 45009379 is about 355.7140399193.

The spelling of 45009379 in words is "forty-five million, nine thousand, three hundred seventy-nine".