163143 has 6 divisors (see below), whose sum is σ = 235664. Its totient is φ = 108756.

The previous prime is 163129. The next prime is 163147. The reversal of 163143 is 341361.

It is not a de Polignac number, because 163143 - 2⁴ = 163127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163147) 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 in 5 ways as a sum of consecutive naturals, for example, 9055 + ... + 9072.

2¹⁶³¹⁴³ is an apocalyptic number.

163143 is a deficient number, since it is larger than the sum of its proper divisors (72521).

163143 is a wasteful number, since it uses less digits than its factorization.

163143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18133 (or 18130 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 163143 is about 403.9096433610. The cubic root of 163143 is about 54.6415253882.

The spelling of 163143 in words is "one hundred sixty-three thousand, one hundred forty-three".