142144143431 has 8 divisors (see below), whose sum is σ = 144312032400. Its totient is φ = 139982219712.

The previous prime is 142144143413. The next prime is 142144143439. The reversal of 142144143431 is 134341441241.

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 142144143431 - 2⁶ = 142144143367 is a prime.

It is a super-2 number, since 2×142144143431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142144143439) 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, 1443281 + ... + 1538618.

It is an arithmetic number, because the mean of its divisors is an integer number (18039004050).

Almost surely, 2^142144143431 is an apocalyptic number.

142144143431 is a deficient number, since it is larger than the sum of its proper divisors (2167888969).

142144143431 is an equidigital number, since it uses as much as digits as its factorization.

142144143431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982625.

The product of its digits is 18432, while the sum is 32.

Adding to 142144143431 its reverse (134341441241), we get a palindrome (276485584672).

The spelling of 142144143431 in words is "one hundred forty-two billion, one hundred forty-four million, one hundred forty-three thousand, four hundred thirty-one".