142321553240407 has 16 divisors (see below), whose sum is σ = 143964918468000. Its totient is φ = 140684948941824.

The previous prime is 142321553240281. The next prime is 142321553240497. The reversal of 142321553240407 is 704042355123241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142321553240407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142321553240497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2155407069 + ... + 2155473097.

It is an arithmetic number, because the mean of its divisors is an integer number (8997807404250).

Almost surely, 2^{142321553240407} is an apocalyptic number.

142321553240407 is a deficient number, since it is larger than the sum of its proper divisors (1643365227593).

142321553240407 is a wasteful number, since it uses less digits than its factorization.

142321553240407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116850.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 142321553240407 in words is "one hundred forty-two trillion, three hundred twenty-one billion, five hundred fifty-three million, two hundred forty thousand, four hundred seven".