443142163 has 2 divisors, whose sum is σ = 443142164. Its totient is φ = 443142162.

The previous prime is 443142157. The next prime is 443142197. The reversal of 443142163 is 361241344.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 443142163 - 2⁵ = 443142131 is a prime.

It is not a weakly prime, because it can be changed into another prime (443142143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221571081 + 221571082.

It is an arithmetic number, because the mean of its divisors is an integer number (221571082).

Almost surely, 2^443142163 is an apocalyptic number.

443142163 is a deficient number, since it is larger than the sum of its proper divisors (1).

443142163 is an equidigital number, since it uses as much as digits as its factorization.

443142163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 28.

The square root of 443142163 is about 21050.9420929326. The cubic root of 443142163 is about 762.3967291116.

The spelling of 443142163 in words is "four hundred forty-three million, one hundred forty-two thousand, one hundred sixty-three".