142344431234 has 8 divisors (see below), whose sum is σ = 213607473408. Its totient is φ = 71141940100.

The previous prime is 142344431219. The next prime is 142344431293. The reversal of 142344431234 is 432134443241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 142344431194 and 142344431203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15131882 + ... + 15141285.

It is an arithmetic number, because the mean of its divisors is an integer number (26700934176).

Almost surely, 2^142344431234 is an apocalyptic number.

142344431234 is a deficient number, since it is larger than the sum of its proper divisors (71263042174).

142344431234 is a wasteful number, since it uses less digits than its factorization.

142344431234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30275520.

The product of its digits is 110592, while the sum is 35.

Adding to 142344431234 its reverse (432134443241), we get a palindrome (574478874475).

The spelling of 142344431234 in words is "one hundred forty-two billion, three hundred forty-four million, four hundred thirty-one thousand, two hundred thirty-four".