142343142424409 has 2 divisors, whose sum is σ = 142343142424410. Its totient is φ = 142343142424408.

The previous prime is 142343142424397. The next prime is 142343142424481. The reversal of 142343142424409 is 904424241343241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102504285313600 + 39838857110809 = 10124440^2 + 6311803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142343142424409 is a prime.

It is not a weakly prime, because it can be changed into another prime (142343142424309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71171571212204 + 71171571212205.

It is an arithmetic number, because the mean of its divisors is an integer number (71171571212205).

Almost surely, 2^{142343142424409} is an apocalyptic number.

It is an amenable number.

142343142424409 is a deficient number, since it is larger than the sum of its proper divisors (1).

142343142424409 is an equidigital number, since it uses as much as digits as its factorization.

142343142424409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2654208, while the sum is 47.

The spelling of 142343142424409 in words is "one hundred forty-two trillion, three hundred forty-three billion, one hundred forty-two million, four hundred twenty-four thousand, four hundred nine".