142133230453 has 2 divisors, whose sum is σ = 142133230454. Its totient is φ = 142133230452.

The previous prime is 142133230417. The next prime is 142133230501. The reversal of 142133230453 is 354032331241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130701771729 + 11431458724 = 361527^2 + 106918^2 .

It is a cyclic number.

It is not a de Polignac number, because 142133230453 - 2⁹ = 142133229941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142133233453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71066615226 + 71066615227.

It is an arithmetic number, because the mean of its divisors is an integer number (71066615227).

Almost surely, 2^142133230453 is an apocalyptic number.

It is an amenable number.

142133230453 is a deficient number, since it is larger than the sum of its proper divisors (1).

142133230453 is an equidigital number, since it uses as much as digits as its factorization.

142133230453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 142133230453 its reverse (354032331241), we get a palindrome (496165561694).

The spelling of 142133230453 in words is "one hundred forty-two billion, one hundred thirty-three million, two hundred thirty thousand, four hundred fifty-three".