142157163 has 4 divisors (see below), whose sum is σ = 189542888. Its totient is φ = 94771440.

The previous prime is 142157143. The next prime is 142157173. The reversal of 142157163 is 361751241.

142157163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142157163 - 2¹⁰ = 142156139 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 142157163.

It is not an unprimeable number, because it can be changed into a prime (142157143) 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, 23692858 + ... + 23692863.

It is an arithmetic number, because the mean of its divisors is an integer number (47385722).

Almost surely, 2^142157163 is an apocalyptic number.

142157163 is a deficient number, since it is larger than the sum of its proper divisors (47385725).

142157163 is an equidigital number, since it uses as much as digits as its factorization.

142157163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47385724.

The product of its digits is 5040, while the sum is 30.

The square root of 142157163 is about 11922.9678771688. The cubic root of 142157163 is about 521.9027468150.

The spelling of 142157163 in words is "one hundred forty-two million, one hundred fifty-seven thousand, one hundred sixty-three".