445235969 has 2 divisors, whose sum is σ = 445235970. Its totient is φ = 445235968.

The previous prime is 445235929. The next prime is 445236019. The reversal of 445235969 is 969532544.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437311744 + 7924225 = 20912^2 + 2815^2 .

It is a cyclic number.

It is not a de Polignac number, because 445235969 - 2²⁴ = 428458753 is a prime.

It is a super-2 number, since 2×445235969² = 396470136182737922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (445235929) 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, 222617984 + 222617985.

It is an arithmetic number, because the mean of its divisors is an integer number (222617985).

Almost surely, 2^445235969 is an apocalyptic number.

It is an amenable number.

445235969 is a deficient number, since it is larger than the sum of its proper divisors (1).

445235969 is an equidigital number, since it uses as much as digits as its factorization.

445235969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 47.

The square root of 445235969 is about 21100.6153701734. The cubic root of 445235969 is about 763.5955944096.

The spelling of 445235969 in words is "four hundred forty-five million, two hundred thirty-five thousand, nine hundred sixty-nine".