142403324272 has 20 divisors (see below), whose sum is σ = 300988844856. Its totient is φ = 64728783680.

The previous prime is 142403324243. The next prime is 142403324279. The reversal of 142403324272 is 272423304241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142403324279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404554723 + ... + 404555074.

Almost surely, 2^142403324272 is an apocalyptic number.

It is an amenable number.

142403324272 is an abundant number, since it is smaller than the sum of its proper divisors (158585520584).

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

142403324272 is a wasteful number, since it uses less digits than its factorization.

142403324272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809109816 (or 809109810 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 34.

The spelling of 142403324272 in words is "one hundred forty-two billion, four hundred three million, three hundred twenty-four thousand, two hundred seventy-two".