163453143 has 16 divisors (see below), whose sum is σ = 262181120. Its totient is φ = 88485696.

The previous prime is 163453139. The next prime is 163453151. The reversal of 163453143 is 341354361.

It is not a de Polignac number, because 163453143 - 2² = 163453139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163453143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163453123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204430 + ... + 205227.

It is an arithmetic number, because the mean of its divisors is an integer number (16386320).

Almost surely, 2^163453143 is an apocalyptic number.

163453143 is a deficient number, since it is larger than the sum of its proper divisors (98727977).

163453143 is a wasteful number, since it uses less digits than its factorization.

163453143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409686.

The product of its digits is 12960, while the sum is 30.

The square root of 163453143 is about 12784.8794675585. The cubic root of 163453143 is about 546.7612889369.

The spelling of 163453143 in words is "one hundred sixty-three million, four hundred fifty-three thousand, one hundred forty-three".