445995163 has 2 divisors, whose sum is σ = 445995164. Its totient is φ = 445995162.

The previous prime is 445995157. The next prime is 445995181. The reversal of 445995163 is 361599544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445995163 - 2²¹ = 443898011 is a prime.

It is not a weakly prime, because it can be changed into another prime (445990163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222997581 + 222997582.

It is an arithmetic number, because the mean of its divisors is an integer number (222997582).

Almost surely, 2^445995163 is an apocalyptic number.

445995163 is a deficient number, since it is larger than the sum of its proper divisors (1).

445995163 is an equidigital number, since it uses as much as digits as its factorization.

445995163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 46.

The square root of 445995163 is about 21118.5975623383. The cubic root of 445995163 is about 764.0293629012.

The spelling of 445995163 in words is "four hundred forty-five million, nine hundred ninety-five thousand, one hundred sixty-three".