142405252573 has 2 divisors, whose sum is σ = 142405252574. Its totient is φ = 142405252572.

The previous prime is 142405252543. The next prime is 142405252597. The reversal of 142405252573 is 375252504241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141343665849 + 1061586724 = 375957^2 + 32582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142405252573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142405252523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71202626286 + 71202626287.

It is an arithmetic number, because the mean of its divisors is an integer number (71202626287).

Almost surely, 2^142405252573 is an apocalyptic number.

It is an amenable number.

142405252573 is a deficient number, since it is larger than the sum of its proper divisors (1).

142405252573 is an equidigital number, since it uses as much as digits as its factorization.

142405252573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 142405252573 in words is "one hundred forty-two billion, four hundred five million, two hundred fifty-two thousand, five hundred seventy-three".