142544163 has 4 divisors (see below), whose sum is σ = 190058888. Its totient is φ = 95029440.

The previous prime is 142544161. The next prime is 142544221. The reversal of 142544163 is 361445241.

142544163 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 142544163 - 2¹ = 142544161 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 142544163.

It is not an unprimeable number, because it can be changed into a prime (142544161) 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, 23757358 + ... + 23757363.

It is an arithmetic number, because the mean of its divisors is an integer number (47514722).

Almost surely, 2^142544163 is an apocalyptic number.

142544163 is a deficient number, since it is larger than the sum of its proper divisors (47514725).

142544163 is an equidigital number, since it uses as much as digits as its factorization.

142544163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47514724.

The product of its digits is 11520, while the sum is 30.

The square root of 142544163 is about 11939.1860275314. The cubic root of 142544163 is about 522.3759164458.

The spelling of 142544163 in words is "one hundred forty-two million, five hundred forty-four thousand, one hundred sixty-three".