142040432143231 has 8 divisors (see below), whose sum is σ = 143159132657664. Its totient is φ = 140921735877720.

The previous prime is 142040432143189. The next prime is 142040432143249. The reversal of 142040432143231 is 132341234040241.

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 142040432143231 - 2²⁷ = 142040297925503 is a prime.

It is a super-2 number, since 2×142040432143231² (a number of 29 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 (142040432143531) 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, 121761516 + ... + 122922526.

It is an arithmetic number, because the mean of its divisors is an integer number (17894891582208).

Almost surely, 2^{142040432143231} is an apocalyptic number.

142040432143231 is a deficient number, since it is larger than the sum of its proper divisors (1118700514433).

142040432143231 is a wasteful number, since it uses less digits than its factorization.

142040432143231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124461.

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

Adding to 142040432143231 its reverse (132341234040241), we get a palindrome (274381666183472).

The spelling of 142040432143231 in words is "one hundred forty-two trillion, forty billion, four hundred thirty-two million, one hundred forty-three thousand, two hundred thirty-one".