142643524213 has 2 divisors, whose sum is σ = 142643524214. Its totient is φ = 142643524212.

The previous prime is 142643524187. The next prime is 142643524253. The reversal of 142643524213 is 312425346241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120674948689 + 21968575524 = 347383^2 + 148218^2 .

It is an emirp because it is prime and its reverse (312425346241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142643524213 - 2⁵ = 142643524181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142643524253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71321762106 + 71321762107.

It is an arithmetic number, because the mean of its divisors is an integer number (71321762107).

Almost surely, 2^142643524213 is an apocalyptic number.

It is an amenable number.

142643524213 is a deficient number, since it is larger than the sum of its proper divisors (1).

142643524213 is an equidigital number, since it uses as much as digits as its factorization.

142643524213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 37.

The spelling of 142643524213 in words is "one hundred forty-two billion, six hundred forty-three million, five hundred twenty-four thousand, two hundred thirteen".