142020400201 has 2 divisors, whose sum is σ = 142020400202. Its totient is φ = 142020400200.

The previous prime is 142020400147. The next prime is 142020400259. The reversal of 142020400201 is 102004020241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74758496400 + 67261903801 = 273420^2 + 259349^2 .

It is a cyclic number.

It is not a de Polignac number, because 142020400201 - 2⁷ = 142020400073 is a prime.

It is a super-3 number, since 3×142020400201³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (142020400001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71010200100 + 71010200101.

It is an arithmetic number, because the mean of its divisors is an integer number (71010200101).

Almost surely, 2^142020400201 is an apocalyptic number.

It is an amenable number.

142020400201 is a deficient number, since it is larger than the sum of its proper divisors (1).

142020400201 is an equidigital number, since it uses as much as digits as its factorization.

142020400201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 142020400201 its reverse (102004020241), we get a palindrome (244024420442).

The spelling of 142020400201 in words is "one hundred forty-two billion, twenty million, four hundred thousand, two hundred one".