142461236662457 has 2 divisors, whose sum is σ = 142461236662458. Its totient is φ = 142461236662456.

The previous prime is 142461236662351. The next prime is 142461236662469. The reversal of 142461236662457 is 754266632164241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74418848676496 + 68042387985961 = 8626636^2 + 8248781^2 .

It is a cyclic number.

It is not a de Polignac number, because 142461236662457 - 2¹⁰ = 142461236661433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142461236662396 and 142461236662405.

It is not a weakly prime, because it can be changed into another prime (142461236662487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71230618331228 + 71230618331229.

It is an arithmetic number, because the mean of its divisors is an integer number (71230618331229).

Almost surely, 2^{142461236662457} is an apocalyptic number.

It is an amenable number.

142461236662457 is a deficient number, since it is larger than the sum of its proper divisors (1).

142461236662457 is an equidigital number, since it uses as much as digits as its factorization.

142461236662457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69672960, while the sum is 59.

The spelling of 142461236662457 in words is "one hundred forty-two trillion, four hundred sixty-one billion, two hundred thirty-six million, six hundred sixty-two thousand, four hundred fifty-seven".