142771543 has 2 divisors, whose sum is σ = 142771544. Its totient is φ = 142771542.

The previous prime is 142771501. The next prime is 142771547. The reversal of 142771543 is 345177241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142771543 - 2¹³ = 142763351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142771499 and 142771508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142771547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71385771 + 71385772.

It is an arithmetic number, because the mean of its divisors is an integer number (71385772).

Almost surely, 2^142771543 is an apocalyptic number.

142771543 is a deficient number, since it is larger than the sum of its proper divisors (1).

142771543 is an equidigital number, since it uses as much as digits as its factorization.

142771543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 34.

The square root of 142771543 is about 11948.7046578280. The cubic root of 142771543 is about 522.6535256979.

The spelling of 142771543 in words is "one hundred forty-two million, seven hundred seventy-one thousand, five hundred forty-three".