142446334439 has 2 divisors, whose sum is σ = 142446334440. Its totient is φ = 142446334438.

The previous prime is 142446334369. The next prime is 142446334441. The reversal of 142446334439 is 934433644241.

142446334439 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 (934433644241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142446334439 is a prime.

Together with 142446334441, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 142446334393 and 142446334402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142446333439) 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, 71223167219 + 71223167220.

It is an arithmetic number, because the mean of its divisors is an integer number (71223167220).

Almost surely, 2^142446334439 is an apocalyptic number.

142446334439 is a deficient number, since it is larger than the sum of its proper divisors (1).

142446334439 is an equidigital number, since it uses as much as digits as its factorization.

142446334439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 47.

The spelling of 142446334439 in words is "one hundred forty-two billion, four hundred forty-six million, three hundred thirty-four thousand, four hundred thirty-nine".