142847743 has 2 divisors, whose sum is σ = 142847744. Its totient is φ = 142847742.

The previous prime is 142847741. The next prime is 142847767. The reversal of 142847743 is 347748241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142847743 - 2¹ = 142847741 is a prime.

Together with 142847741, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 142847696 and 142847705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142847741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71423871 + 71423872.

It is an arithmetic number, because the mean of its divisors is an integer number (71423872).

Almost surely, 2^142847743 is an apocalyptic number.

142847743 is a deficient number, since it is larger than the sum of its proper divisors (1).

142847743 is an equidigital number, since it uses as much as digits as its factorization.

142847743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 40.

The square root of 142847743 is about 11951.8928626390. The cubic root of 142847743 is about 522.7464926729.

The spelling of 142847743 in words is "one hundred forty-two million, eight hundred forty-seven thousand, seven hundred forty-three".