142321343554120 has 64 divisors (see below), whose sum is σ = 328963068742320. Its totient is φ = 55375550290944.

The previous prime is 142321343554051. The next prime is 142321343554163. The reversal of 142321343554120 is 21455343123241.

It can be written as a sum of positive squares in 8 ways, for example, as 106395057780804 + 35926285773316 = 10314798^2 + 5993854^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6776547 + ... + 18181426.

Almost surely, 2^{142321343554120} is an apocalyptic number.

142321343554120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142321343554120 is an abundant number, since it is smaller than the sum of its proper divisors (186641725188200).

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

142321343554120 is a wasteful number, since it uses less digits than its factorization.

142321343554120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24961874 (or 24961870 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 142321343554120 its reverse (21455343123241), we get a palindrome (163776686677361).

The spelling of 142321343554120 in words is "one hundred forty-two trillion, three hundred twenty-one billion, three hundred forty-three million, five hundred fifty-four thousand, one hundred twenty".