142243413161 has 2 divisors, whose sum is σ = 142243413162. Its totient is φ = 142243413160.

The previous prime is 142243413101. The next prime is 142243413167. The reversal of 142243413161 is 161314342241.

142243413161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108121934761 + 34121478400 = 328819^2 + 184720^2 .

It is a cyclic number.

It is not a de Polignac number, because 142243413161 - 2¹⁰ = 142243412137 is a prime.

It is not a weakly prime, because it can be changed into another prime (142243413167) 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, 71121706580 + 71121706581.

It is an arithmetic number, because the mean of its divisors is an integer number (71121706581).

Almost surely, 2^142243413161 is an apocalyptic number.

It is an amenable number.

142243413161 is a deficient number, since it is larger than the sum of its proper divisors (1).

142243413161 is an equidigital number, since it uses as much as digits as its factorization.

142243413161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The spelling of 142243413161 in words is "one hundred forty-two billion, two hundred forty-three million, four hundred thirteen thousand, one hundred sixty-one".