142343525343242 has 8 divisors (see below), whose sum is σ = 213515884005732. Its totient is φ = 71171564008000.

The previous prime is 142343525343221. The next prime is 142343525343259. The reversal of 142343525343242 is 242343525343241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 116230801919521 + 26112723423721 = 10781039^2 + 5110061^2 .

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

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, 98434559 + ... + 99870162.

Almost surely, 2^{142343525343242} is an apocalyptic number.

142343525343242 is a deficient number, since it is larger than the sum of its proper divisors (71172358662490).

142343525343242 is a wasteful number, since it uses less digits than its factorization.

142343525343242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198663624.

The product of its digits is 8294400, while the sum is 47.

Subtracting 142343525343242 from its reverse (242343525343241), we obtain a palindrome (99999999999999).

The spelling of 142343525343242 in words is "one hundred forty-two trillion, three hundred forty-three billion, five hundred twenty-five million, three hundred forty-three thousand, two hundred forty-two".