143142847 has 2 divisors, whose sum is σ = 143142848. Its totient is φ = 143142846.

The previous prime is 143142817. The next prime is 143142893. The reversal of 143142847 is 748241341.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (748241341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143142847 - 2⁷ = 143142719 is a prime.

It is equal to p_8079703 and since 143142847 and 8079703 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143142817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71571423 + 71571424.

It is an arithmetic number, because the mean of its divisors is an integer number (71571424).

Almost surely, 2^143142847 is an apocalyptic number.

143142847 is a deficient number, since it is larger than the sum of its proper divisors (1).

143142847 is an equidigital number, since it uses as much as digits as its factorization.

143142847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 34.

The square root of 143142847 is about 11964.2319853804. The cubic root of 143142847 is about 523.1062194459.

It can be divided in two parts, 14314 and 2847, that added together give a square (17161 = 131²).

The spelling of 143142847 in words is "one hundred forty-three million, one hundred forty-two thousand, eight hundred forty-seven".