163226143 has 2 divisors, whose sum is σ = 163226144. Its totient is φ = 163226142.

The previous prime is 163226113. The next prime is 163226177. The reversal of 163226143 is 341622361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163226143 - 2⁵ = 163226111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163226113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81613071 + 81613072.

It is an arithmetic number, because the mean of its divisors is an integer number (81613072).

Almost surely, 2^163226143 is an apocalyptic number.

163226143 is a deficient number, since it is larger than the sum of its proper divisors (1).

163226143 is an equidigital number, since it uses as much as digits as its factorization.

163226143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 163226143 is about 12775.9987085159. The cubic root of 163226143 is about 546.5080618027.

The spelling of 163226143 in words is "one hundred sixty-three million, two hundred twenty-six thousand, one hundred forty-three".