142442432331 has 8 divisors (see below), whose sum is σ = 189929237904. Its totient is φ = 94958624160.

The previous prime is 142442432329. The next prime is 142442432369. The reversal of 142442432331 is 133234244241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142442432331 - 2¹ = 142442432329 is a prime.

It is a super-2 number, since 2×142442432331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142442432292 and 142442432301.

It is not an unprimeable number, because it can be changed into a prime (142442482331) 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 7 ways as a sum of consecutive naturals, for example, 636016 + ... + 830301.

It is an arithmetic number, because the mean of its divisors is an integer number (23741154738).

Almost surely, 2^142442432331 is an apocalyptic number.

142442432331 is a deficient number, since it is larger than the sum of its proper divisors (47486805573).

142442432331 is a wasteful number, since it uses less digits than its factorization.

142442432331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498701.

The product of its digits is 55296, while the sum is 33.

Adding to 142442432331 its reverse (133234244241), we get a palindrome (275676676572).

The spelling of 142442432331 in words is "one hundred forty-two billion, four hundred forty-two million, four hundred thirty-two thousand, three hundred thirty-one".