142284847 has 2 divisors, whose sum is σ = 142284848. Its totient is φ = 142284846.

The previous prime is 142284833. The next prime is 142284853. The reversal of 142284847 is 748482241.

142284847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142284847 - 2¹⁹ = 141760559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142284827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71142423 + 71142424.

It is an arithmetic number, because the mean of its divisors is an integer number (71142424).

Almost surely, 2^142284847 is an apocalyptic number.

142284847 is a deficient number, since it is larger than the sum of its proper divisors (1).

142284847 is an equidigital number, since it uses as much as digits as its factorization.

142284847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 114688, while the sum is 40.

The square root of 142284847 is about 11928.3212146555. The cubic root of 142284847 is about 522.0589558246.

The spelling of 142284847 in words is "one hundred forty-two million, two hundred eighty-four thousand, eight hundred forty-seven".