142895287 has 2 divisors, whose sum is σ = 142895288. Its totient is φ = 142895286.

The previous prime is 142895281. The next prime is 142895293. The reversal of 142895287 is 782598241.

It is a balanced prime because it is at equal distance from previous prime (142895281) and next prime (142895293).

It is an emirp because it is prime and its reverse (782598241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142895287 - 2¹⁹ = 142370999 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142895281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71447643 + 71447644.

It is an arithmetic number, because the mean of its divisors is an integer number (71447644).

Almost surely, 2^142895287 is an apocalyptic number.

142895287 is a deficient number, since it is larger than the sum of its proper divisors (1).

142895287 is an equidigital number, since it uses as much as digits as its factorization.

142895287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 46.

The square root of 142895287 is about 11953.8816708214. The cubic root of 142895287 is about 522.8044814609.

The spelling of 142895287 in words is "one hundred forty-two million, eight hundred ninety-five thousand, two hundred eighty-seven".