142144982590493 has 2 divisors, whose sum is σ = 142144982590494. Its totient is φ = 142144982590492.

The previous prime is 142144982590463. The next prime is 142144982590549. The reversal of 142144982590493 is 394095289441241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128836188463609 + 13308794126884 = 11350603^2 + 3648122^2 .

It is a cyclic number.

It is not a de Polignac number, because 142144982590493 - 2¹⁰ = 142144982589469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142144982590463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71072491295246 + 71072491295247.

It is an arithmetic number, because the mean of its divisors is an integer number (71072491295247).

Almost surely, 2^{142144982590493} is an apocalyptic number.

It is an amenable number.

142144982590493 is a deficient number, since it is larger than the sum of its proper divisors (1).

142144982590493 is an equidigital number, since it uses as much as digits as its factorization.

142144982590493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89579520, while the sum is 65.

The spelling of 142144982590493 in words is "one hundred forty-two trillion, one hundred forty-four billion, nine hundred eighty-two million, five hundred ninety thousand, four hundred ninety-three".