142521043155613 has 2 divisors, whose sum is σ = 142521043155614. Its totient is φ = 142521043155612.

The previous prime is 142521043155581. The next prime is 142521043155641. The reversal of 142521043155613 is 316551340125241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132156590499844 + 10364452655769 = 11495938^2 + 3219387^2 .

It is a cyclic number.

It is not a de Polignac number, because 142521043155613 - 2⁵ = 142521043155581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142521043155613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142521043155643) 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, 71260521577806 + 71260521577807.

It is an arithmetic number, because the mean of its divisors is an integer number (71260521577807).

Almost surely, 2^{142521043155613} is an apocalyptic number.

It is an amenable number.

142521043155613 is a deficient number, since it is larger than the sum of its proper divisors (1).

142521043155613 is an equidigital number, since it uses as much as digits as its factorization.

142521043155613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 142521043155613 in words is "one hundred forty-two trillion, five hundred twenty-one billion, forty-three million, one hundred fifty-five thousand, six hundred thirteen".