142852397 has 2 divisors, whose sum is σ = 142852398. Its totient is φ = 142852396.

The previous prime is 142852373. The next prime is 142852399. The reversal of 142852397 is 793258241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133494916 + 9357481 = 11554^2 + 3059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142852397 is a prime.

Together with 142852399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142852399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71426198 + 71426199.

It is an arithmetic number, because the mean of its divisors is an integer number (71426199).

Almost surely, 2^142852397 is an apocalyptic number.

It is an amenable number.

142852397 is a deficient number, since it is larger than the sum of its proper divisors (1).

142852397 is an equidigital number, since it uses as much as digits as its factorization.

142852397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 142852397 is about 11952.0875582469. The cubic root of 142852397 is about 522.7521696632.

The spelling of 142852397 in words is "one hundred forty-two million, eight hundred fifty-two thousand, three hundred ninety-seven".