142321025054550 has 24 divisors (see below), whose sum is σ = 352956142135656. Its totient is φ = 37952273347840.

The previous prime is 142321025054539. The next prime is 142321025054563. The reversal of 142321025054550 is 55450520123241.

It is a junction number, because it is equal to n+sod(n) for n = 142321025054499 and 142321025054508.

It is a congruent number.

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, 474403416699 + ... + 474403416998.

It is an arithmetic number, because the mean of its divisors is an integer number (14706505922319).

Almost surely, 2^{142321025054550} is an apocalyptic number.

142321025054550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142321025054550 is an abundant number, since it is smaller than the sum of its proper divisors (210635117081106).

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

142321025054550 is a wasteful number, since it uses less digits than its factorization.

142321025054550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948806833712 (or 948806833707 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 142321025054550 its reverse (55450520123241), we get a palindrome (197771545177791).

The spelling of 142321025054550 in words is "one hundred forty-two trillion, three hundred twenty-one billion, twenty-five million, fifty-four thousand, five hundred fifty".