142321205035250 has 16 divisors (see below), whose sum is σ = 266425295826456. Its totient is φ = 56928482014000.

The previous prime is 142321205035249. The next prime is 142321205035279. The reversal of 142321205035250 is 52530502123241.

It can be written as a sum of positive squares in 4 ways, for example, as 17490035687881 + 124831169347369 = 4182109^2 + 11172787^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142321205035250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284642409821 + ... + 284642410320.

Almost surely, 2^{142321205035250} is an apocalyptic number.

142321205035250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142321205035250 is a deficient number, since it is larger than the sum of its proper divisors (124104090791206).

142321205035250 is an equidigital number, since it uses as much as digits as its factorization.

142321205035250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569284820158 (or 569284820148 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 142321205035250 its reverse (52530502123241), we get a palindrome (194851707158491).

The spelling of 142321205035250 in words is "one hundred forty-two trillion, three hundred twenty-one billion, two hundred five million, thirty-five thousand, two hundred fifty".