143268163 has 4 divisors (see below), whose sum is σ = 151695720. Its totient is φ = 134840608.

The previous prime is 143268157. The next prime is 143268179. The reversal of 143268163 is 361862341.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143268163 - 2⁹ = 143267651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143268133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213753 + ... + 4213786.

It is an arithmetic number, because the mean of its divisors is an integer number (37923930).

Almost surely, 2^143268163 is an apocalyptic number.

143268163 is a deficient number, since it is larger than the sum of its proper divisors (8427557).

143268163 is an equidigital number, since it uses as much as digits as its factorization.

143268163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8427556.

The product of its digits is 20736, while the sum is 34.

The square root of 143268163 is about 11969.4679497461. The cubic root of 143268163 is about 523.2588279760.

The spelling of 143268163 in words is "one hundred forty-three million, two hundred sixty-eight thousand, one hundred sixty-three".