142444133431 has 2 divisors, whose sum is σ = 142444133432. Its totient is φ = 142444133430.

The previous prime is 142444133413. The next prime is 142444133477. The reversal of 142444133431 is 134331444241.

142444133431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (142444133413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142444133431 - 2⁷ = 142444133303 is a prime.

It is a super-4 number, since 4×142444133431⁴ (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 a weakly prime, because it can be changed into another prime (142444133411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71222066715 + 71222066716.

It is an arithmetic number, because the mean of its divisors is an integer number (71222066716).

Almost surely, 2^142444133431 is an apocalyptic number.

142444133431 is a deficient number, since it is larger than the sum of its proper divisors (1).

142444133431 is an equidigital number, since it uses as much as digits as its factorization.

142444133431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 34.

Adding to 142444133431 its reverse (134331444241), we get a palindrome (276775577672).

The spelling of 142444133431 in words is "one hundred forty-two billion, four hundred forty-four million, one hundred thirty-three thousand, four hundred thirty-one".