142421612315144 has 48 divisors (see below), whose sum is σ = 282477007612800. Its totient is φ = 67309194430944.

The previous prime is 142421612315039. The next prime is 142421612315167. The reversal of 142421612315144 is 441513216124241.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54899552 + ... + 57435215.

It is an arithmetic number, because the mean of its divisors is an integer number (5884937658600).

Almost surely, 2^{142421612315144} is an apocalyptic number.

It is an amenable number.

142421612315144 is a deficient number, since it is larger than the sum of its proper divisors (140055395297656).

142421612315144 is a wasteful number, since it uses less digits than its factorization.

142421612315144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112335250 (or 112335227 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

Adding to 142421612315144 its reverse (441513216124241), we get a palindrome (583934828439385).

The spelling of 142421612315144 in words is "one hundred forty-two trillion, four hundred twenty-one billion, six hundred twelve million, three hundred fifteen thousand, one hundred forty-four".