142321012402249 has 2 divisors, whose sum is σ = 142321012402250. Its totient is φ = 142321012402248.

The previous prime is 142321012402207. The next prime is 142321012402259. The reversal of 142321012402249 is 942204210123241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112532994936649 + 29788017465600 = 10608157^2 + 5457840^2 .

It is a cyclic number.

It is not a de Polignac number, because 142321012402249 - 2¹¹ = 142321012400201 is a prime.

It is a super-2 number, since 2×142321012402249² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142321012402259) 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, 71160506201124 + 71160506201125.

It is an arithmetic number, because the mean of its divisors is an integer number (71160506201125).

Almost surely, 2^{142321012402249} is an apocalyptic number.

It is an amenable number.

142321012402249 is a deficient number, since it is larger than the sum of its proper divisors (1).

142321012402249 is an equidigital number, since it uses as much as digits as its factorization.

142321012402249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 142321012402249 in words is "one hundred forty-two trillion, three hundred twenty-one billion, twelve million, four hundred two thousand, two hundred forty-nine".