142430435431 has 8 divisors (see below), whose sum is σ = 146198687328. Its totient is φ = 138708420000.

The previous prime is 142430435429. The next prime is 142430435447. The reversal of 142430435431 is 134534034241.

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 142430435431 - 2¹ = 142430435429 is a prime.

It is a super-2 number, since 2×142430435431² (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 (142430435461) 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, 11552875 + ... + 11565196.

It is an arithmetic number, because the mean of its divisors is an integer number (18274835916).

Almost surely, 2^142430435431 is an apocalyptic number.

142430435431 is a deficient number, since it is larger than the sum of its proper divisors (3768251897).

142430435431 is a wasteful number, since it uses less digits than its factorization.

142430435431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23118233.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 142430435431 its reverse (134534034241), we get a palindrome (276964469672).

The spelling of 142430435431 in words is "one hundred forty-two billion, four hundred thirty million, four hundred thirty-five thousand, four hundred thirty-one".