142143122224544 has 48 divisors (see below), whose sum is σ = 319832032766400. Its totient is φ = 60916574713344.

The previous prime is 142143122224489. The next prime is 142143122224679. The reversal of 142143122224544 is 445422221341241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2742314 + ... + 17082345.

It is an arithmetic number, because the mean of its divisors is an integer number (6663167349300).

Almost surely, 2^{142143122224544} is an apocalyptic number.

142143122224544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142143122224544 is an abundant number, since it is smaller than the sum of its proper divisors (177688910541856).

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

142143122224544 is a wasteful number, since it uses less digits than its factorization.

142143122224544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19856685 (or 19856677 counting only the distinct ones).

The product of its digits is 491520, while the sum is 41.

Adding to 142143122224544 its reverse (445422221341241), we get a palindrome (587565343565785).

The spelling of 142143122224544 in words is "one hundred forty-two trillion, one hundred forty-three billion, one hundred twenty-two million, two hundred twenty-four thousand, five hundred forty-four".