142422133431 has 8 divisors (see below), whose sum is σ = 189916135920. Its totient is φ = 94938109952.

The previous prime is 142422133423. The next prime is 142422133471. The reversal of 142422133431 is 134331224241.

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

It is a cyclic number.

It is not a de Polignac number, because 142422133431 - 2³ = 142422133423 is a prime.

It is a super-4 number, since 4×142422133431⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142422133471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2461386 + ... + 2518583.

It is an arithmetic number, because the mean of its divisors is an integer number (23739516990).

Almost surely, 2^142422133431 is an apocalyptic number.

142422133431 is a deficient number, since it is larger than the sum of its proper divisors (47494002489).

142422133431 is an equidigital number, since it uses as much as digits as its factorization.

142422133431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989505.

The product of its digits is 13824, while the sum is 30.

Adding to 142422133431 its reverse (134331224241), we get a palindrome (276753357672).

The spelling of 142422133431 in words is "one hundred forty-two billion, four hundred twenty-two million, one hundred thirty-three thousand, four hundred thirty-one".