142302847 has 2 divisors, whose sum is σ = 142302848. Its totient is φ = 142302846.

The previous prime is 142302833. The next prime is 142302877. The reversal of 142302847 is 748203241.

It is a weak prime.

It is an emirp because it is prime and its reverse (748203241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142302847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142302877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71151423 + 71151424.

It is an arithmetic number, because the mean of its divisors is an integer number (71151424).

Almost surely, 2^142302847 is an apocalyptic number.

142302847 is a deficient number, since it is larger than the sum of its proper divisors (1).

142302847 is an equidigital number, since it uses as much as digits as its factorization.

142302847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 142302847 is about 11929.0756976389. The cubic root of 142302847 is about 522.0809695648.

The spelling of 142302847 in words is "one hundred forty-two million, three hundred two thousand, eight hundred forty-seven".