142141453 has 2 divisors, whose sum is σ = 142141454. Its totient is φ = 142141452.

The previous prime is 142141409. The next prime is 142141481. The reversal of 142141453 is 354141241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116920969 + 25220484 = 10813^2 + 5022^2 .

It is a cyclic number.

It is not a de Polignac number, because 142141453 - 2⁹ = 142140941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142541453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71070726 + 71070727.

It is an arithmetic number, because the mean of its divisors is an integer number (71070727).

Almost surely, 2^142141453 is an apocalyptic number.

It is an amenable number.

142141453 is a deficient number, since it is larger than the sum of its proper divisors (1).

142141453 is an equidigital number, since it uses as much as digits as its factorization.

142141453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 25.

The square root of 142141453 is about 11922.3090464893. The cubic root of 142141453 is about 521.8835206899.

Adding to 142141453 its reverse (354141241), we get a palindrome (496282694).

The spelling of 142141453 in words is "one hundred forty-two million, one hundred forty-one thousand, four hundred fifty-three".