143622163 has 4 divisors (see below), whose sum is σ = 148255168. Its totient is φ = 138989160.

The previous prime is 143622161. The next prime is 143622173. The reversal of 143622163 is 361226341.

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 143622163 - 2¹ = 143622161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143622161) 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, 2316456 + ... + 2316517.

It is an arithmetic number, because the mean of its divisors is an integer number (37063792).

Almost surely, 2^143622163 is an apocalyptic number.

143622163 is a deficient number, since it is larger than the sum of its proper divisors (4633005).

143622163 is an equidigital number, since it uses as much as digits as its factorization.

143622163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633004.

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

The square root of 143622163 is about 11984.2464510707. The cubic root of 143622163 is about 523.6894453262.

The spelling of 143622163 in words is "one hundred forty-three million, six hundred twenty-two thousand, one hundred sixty-three".