142435231142 has 4 divisors (see below), whose sum is σ = 213652846716. Its totient is φ = 71217615570.

The previous prime is 142435231091. The next prime is 142435231193. The reversal of 142435231142 is 241132534241.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (142435231091) and next prime (142435231193).

It is a junction number, because it is equal to n+sod(n) for n = 142435231099 and 142435231108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35608807784 + ... + 35608807787.

It is an arithmetic number, because the mean of its divisors is an integer number (53413211679).

Almost surely, 2^142435231142 is an apocalyptic number.

142435231142 is a deficient number, since it is larger than the sum of its proper divisors (71217615574).

142435231142 is an equidigital number, since it uses as much as digits as its factorization.

142435231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71217615573.

The product of its digits is 23040, while the sum is 32.

Adding to 142435231142 its reverse (241132534241), we get a palindrome (383567765383).

The spelling of 142435231142 in words is "one hundred forty-two billion, four hundred thirty-five million, two hundred thirty-one thousand, one hundred forty-two".