142289749222 has 4 divisors (see below), whose sum is σ = 213434623836. Its totient is φ = 71144874610.

The previous prime is 142289749193. The next prime is 142289749237. The reversal of 142289749222 is 222947982241.

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

It is a self number, because there is not a number n which added to its sum of digits gives 142289749222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35572437304 + ... + 35572437307.

It is an arithmetic number, because the mean of its divisors is an integer number (53358655959).

Almost surely, 2^142289749222 is an apocalyptic number.

142289749222 is a deficient number, since it is larger than the sum of its proper divisors (71144874614).

142289749222 is an equidigital number, since it uses as much as digits as its factorization.

142289749222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71144874613.

The product of its digits is 2322432, while the sum is 52.

The spelling of 142289749222 in words is "one hundred forty-two billion, two hundred eighty-nine million, seven hundred forty-nine thousand, two hundred twenty-two".