142643121346192 has 80 divisors (see below), whose sum is σ = 279787348197760. Its totient is φ = 70443636249600.

The previous prime is 142643121346139. The next prime is 142643121346217. The reversal of 142643121346192 is 291643121346241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4489711267 + ... + 4489743037.

It is an arithmetic number, because the mean of its divisors is an integer number (3497341852472).

Almost surely, 2^{142643121346192} is an apocalyptic number.

It is an amenable number.

142643121346192 is a deficient number, since it is larger than the sum of its proper divisors (137144226851568).

142643121346192 is a wasteful number, since it uses less digits than its factorization.

142643121346192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38952 (or 38946 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 49.

Adding to 142643121346192 its sum of digits (49), we get a palindrome (142643121346241).

The spelling of 142643121346192 in words is "one hundred forty-two trillion, six hundred forty-three billion, one hundred twenty-one million, three hundred forty-six thousand, one hundred ninety-two".