142230422444 has 12 divisors (see below), whose sum is σ = 271530806568. Its totient is φ = 64650192000.

The previous prime is 142230422441. The next prime is 142230422473. The reversal of 142230422444 is 444224032241.

It is a self number, because there is not a number n which added to its sum of digits gives 142230422444.

It is not an unprimeable number, because it can be changed into a prime (142230422441) 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, 1616254757 + ... + 1616254844.

It is an arithmetic number, because the mean of its divisors is an integer number (22627567214).

Almost surely, 2^142230422444 is an apocalyptic number.

It is an amenable number.

142230422444 is a deficient number, since it is larger than the sum of its proper divisors (129300384124).

142230422444 is a wasteful number, since it uses less digits than its factorization.

142230422444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232509616 (or 3232509614 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 142230422444 its reverse (444224032241), we get a palindrome (586454454685).

The spelling of 142230422444 in words is "one hundred forty-two billion, two hundred thirty million, four hundred twenty-two thousand, four hundred forty-four".