142144414332321 has 32 divisors (see below), whose sum is σ = 202500978048640. Its totient is φ = 88428648236544.

The previous prime is 142144414332251. The next prime is 142144414332343. The reversal of 142144414332321 is 123233414441241.

It is not a de Polignac number, because 142144414332321 - 2²⁷ = 142144280114593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142144414332321.

It is not an unprimeable number, because it can be changed into a prime (142144414332421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19413610 + ... + 25713363.

It is an arithmetic number, because the mean of its divisors is an integer number (6328155564020).

Almost surely, 2^{142144414332321} is an apocalyptic number.

It is an amenable number.

142144414332321 is a deficient number, since it is larger than the sum of its proper divisors (60356563716319).

142144414332321 is a wasteful number, since it uses less digits than its factorization.

142144414332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45127825.

The product of its digits is 221184, while the sum is 39.

Adding to 142144414332321 its reverse (123233414441241), we get a palindrome (265377828773562).

The spelling of 142144414332321 in words is "one hundred forty-two trillion, one hundred forty-four billion, four hundred fourteen million, three hundred thirty-two thousand, three hundred twenty-one".