142354556611243 has 2 divisors, whose sum is σ = 142354556611244. Its totient is φ = 142354556611242.

The previous prime is 142354556611109. The next prime is 142354556611259. The reversal of 142354556611243 is 342116655453241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142354556611243 - 2³³ = 142345966676651 is a prime.

It is not a weakly prime, because it can be changed into another prime (142354556611273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71177278305621 + 71177278305622.

It is an arithmetic number, because the mean of its divisors is an integer number (71177278305622).

Almost surely, 2^{142354556611243} is an apocalyptic number.

142354556611243 is a deficient number, since it is larger than the sum of its proper divisors (1).

142354556611243 is an equidigital number, since it uses as much as digits as its factorization.

142354556611243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368000, while the sum is 52.

The spelling of 142354556611243 in words is "one hundred forty-two trillion, three hundred fifty-four billion, five hundred fifty-six million, six hundred eleven thousand, two hundred forty-three".