142433334457 has 2 divisors, whose sum is σ = 142433334458. Its totient is φ = 142433334456.

The previous prime is 142433334443. The next prime is 142433334473. The reversal of 142433334457 is 754433334241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137115424681 + 5317909776 = 370291^2 + 72924^2 .

It is an emirp because it is prime and its reverse (754433334241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142433334457 is a prime.

It is not a weakly prime, because it can be changed into another prime (142433334257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71216667228 + 71216667229.

It is an arithmetic number, because the mean of its divisors is an integer number (71216667229).

Almost surely, 2^142433334457 is an apocalyptic number.

It is an amenable number.

142433334457 is a deficient number, since it is larger than the sum of its proper divisors (1).

142433334457 is an equidigital number, since it uses as much as digits as its factorization.

142433334457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 43.

Adding to 142433334457 its reverse (754433334241), we get a palindrome (896866668698).

The spelling of 142433334457 in words is "one hundred forty-two billion, four hundred thirty-three million, three hundred thirty-four thousand, four hundred fifty-seven".