142143202001 has 2 divisors, whose sum is σ = 142143202002. Its totient is φ = 142143202000.

The previous prime is 142143201917. The next prime is 142143202007. The reversal of 142143202001 is 100202341241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73473523600 + 68669678401 = 271060^2 + 262049^2 .

It is an emirp because it is prime and its reverse (100202341241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142143202001 - 2¹⁰ = 142143200977 is a prime.

It is not a weakly prime, because it can be changed into another prime (142143202007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71071601000 + 71071601001.

It is an arithmetic number, because the mean of its divisors is an integer number (71071601001).

Almost surely, 2^142143202001 is an apocalyptic number.

It is an amenable number.

142143202001 is a deficient number, since it is larger than the sum of its proper divisors (1).

142143202001 is an equidigital number, since it uses as much as digits as its factorization.

142143202001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 142143202001 its reverse (100202341241), we get a palindrome (242345543242).

The spelling of 142143202001 in words is "one hundred forty-two billion, one hundred forty-three million, two hundred two thousand, one".