142343442427 has 2 divisors, whose sum is σ = 142343442428. Its totient is φ = 142343442426.

The previous prime is 142343442391. The next prime is 142343442457. The reversal of 142343442427 is 724244343241.

142343442427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (724244343241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142343442427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142343442427.

It is not a weakly prime, because it can be changed into another prime (142343442457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71171721213 + 71171721214.

It is an arithmetic number, because the mean of its divisors is an integer number (71171721214).

Almost surely, 2^142343442427 is an apocalyptic number.

142343442427 is a deficient number, since it is larger than the sum of its proper divisors (1).

142343442427 is an equidigital number, since it uses as much as digits as its factorization.

142343442427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 40.

Adding to 142343442427 its reverse (724244343241), we get a palindrome (866587785668).

The spelling of 142343442427 in words is "one hundred forty-two billion, three hundred forty-three million, four hundred forty-two thousand, four hundred twenty-seven".