445414163 has 2 divisors, whose sum is σ = 445414164. Its totient is φ = 445414162.

The previous prime is 445414157. The next prime is 445414199. The reversal of 445414163 is 361414544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445414163 - 2⁴ = 445414147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (445414133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222707081 + 222707082.

It is an arithmetic number, because the mean of its divisors is an integer number (222707082).

Almost surely, 2^445414163 is an apocalyptic number.

445414163 is a deficient number, since it is larger than the sum of its proper divisors (1).

445414163 is an equidigital number, since it uses as much as digits as its factorization.

445414163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 32.

The square root of 445414163 is about 21104.8374312621. The cubic root of 445414163 is about 763.6974505146.

The spelling of 445414163 in words is "four hundred forty-five million, four hundred fourteen thousand, one hundred sixty-three".