142434404531 has 8 divisors (see below), whose sum is σ = 150159446304. Its totient is φ = 134837049600.

The previous prime is 142434404527. The next prime is 142434404557. The reversal of 142434404531 is 135404434241.

It is a happy number.

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 142434404531 - 2² = 142434404527 is a prime.

It is a super-2 number, since 2×142434404531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142434404491 and 142434404500.

It is not an unprimeable number, because it can be changed into a prime (142434404501) 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, 31919420 + ... + 31923881.

It is an arithmetic number, because the mean of its divisors is an integer number (18769930788).

Almost surely, 2^142434404531 is an apocalyptic number.

142434404531 is a deficient number, since it is larger than the sum of its proper divisors (7725041773).

142434404531 is an equidigital number, since it uses as much as digits as its factorization.

142434404531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63843421.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 142434404531 its reverse (135404434241), we get a palindrome (277838838772).

The spelling of 142434404531 in words is "one hundred forty-two billion, four hundred thirty-four million, four hundred four thousand, five hundred thirty-one".