142305235133 has 2 divisors, whose sum is σ = 142305235134. Its totient is φ = 142305235132.

The previous prime is 142305235103. The next prime is 142305235153. The reversal of 142305235133 is 331532503241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132596483044 + 9708752089 = 364138^2 + 98533^2 .

It is a cyclic number.

It is not a de Polignac number, because 142305235133 - 2⁶ = 142305235069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142305235133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142305235103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71152617566 + 71152617567.

It is an arithmetic number, because the mean of its divisors is an integer number (71152617567).

Almost surely, 2^142305235133 is an apocalyptic number.

It is an amenable number.

142305235133 is a deficient number, since it is larger than the sum of its proper divisors (1).

142305235133 is an equidigital number, since it uses as much as digits as its factorization.

142305235133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 142305235133 its reverse (331532503241), we get a palindrome (473837738374).

The spelling of 142305235133 in words is "one hundred forty-two billion, three hundred five million, two hundred thirty-five thousand, one hundred thirty-three".