142163523636 has 24 divisors (see below), whose sum is σ = 332268686400. Its totient is φ = 47308727232.

The previous prime is 142163523629. The next prime is 142163523637. The reversal of 142163523636 is 636325361241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142163523637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9881761 + ... + 9896136.

It is an arithmetic number, because the mean of its divisors is an integer number (13844528600).

Almost surely, 2^142163523636 is an apocalyptic number.

It is an amenable number.

142163523636 is an abundant number, since it is smaller than the sum of its proper divisors (190105162764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142163523636 is a wasteful number, since it uses less digits than its factorization.

142163523636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19778503 (or 19778501 counting only the distinct ones).

The product of its digits is 466560, while the sum is 42.

Adding to 142163523636 its reverse (636325361241), we get a palindrome (778488884877).

The spelling of 142163523636 in words is "one hundred forty-two billion, one hundred sixty-three million, five hundred twenty-three thousand, six hundred thirty-six".