142431122432 has 22 divisors (see below), whose sum is σ = 284723154018. Its totient is φ = 71215560704.

The previous prime is 142431122387. The next prime is 142431122461. The reversal of 142431122432 is 234221134241.

It can be written as a sum of positive squares in only one way, i.e., 129438770176 + 12992352256 = 359776^2 + 113984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142431122395 and 142431122404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69545423 + ... + 69547470.

Almost surely, 2^142431122432 is an apocalyptic number.

It is an amenable number.

142431122432 is a deficient number, since it is larger than the sum of its proper divisors (142292031586).

142431122432 is an equidigital number, since it uses as much as digits as its factorization.

142431122432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139092913 (or 139092895 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 142431122432 its reverse (234221134241), we get a palindrome (376652256673).

The spelling of 142431122432 in words is "one hundred forty-two billion, four hundred thirty-one million, one hundred twenty-two thousand, four hundred thirty-two".