45950909 has 2 divisors, whose sum is σ = 45950910. Its totient is φ = 45950908.

The previous prime is 45950899. The next prime is 45950921. The reversal of 45950909 is 90905954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45185284 + 765625 = 6722^2 + 875^2 .

It is a cyclic number.

It is not a de Polignac number, because 45950909 - 2¹⁶ = 45885373 is a prime.

It is a super-2 number, since 2×45950909² = 4222972075852562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45952909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22975454 + 22975455.

It is an arithmetic number, because the mean of its divisors is an integer number (22975455).

Almost surely, 2^45950909 is an apocalyptic number.

It is an amenable number.

45950909 is a deficient number, since it is larger than the sum of its proper divisors (1).

45950909 is an equidigital number, since it uses as much as digits as its factorization.

45950909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 45950909 is about 6778.7099805199. The cubic root of 45950909 is about 358.1772812960.

The spelling of 45950909 in words is "forty-five million, nine hundred fifty thousand, nine hundred nine".