142543727 has 2 divisors, whose sum is σ = 142543728. Its totient is φ = 142543726.

The previous prime is 142543717. The next prime is 142543777. The reversal of 142543727 is 727345241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142543727 - 2⁴ = 142543711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142543717) 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, 71271863 + 71271864.

It is an arithmetic number, because the mean of its divisors is an integer number (71271864).

Almost surely, 2^142543727 is an apocalyptic number.

142543727 is a deficient number, since it is larger than the sum of its proper divisors (1).

142543727 is an equidigital number, since it uses as much as digits as its factorization.

142543727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 35.

The square root of 142543727 is about 11939.1677683162. The cubic root of 142543727 is about 522.3753838480.

Adding to 142543727 its reverse (727345241), we get a palindrome (869888968).

The spelling of 142543727 in words is "one hundred forty-two million, five hundred forty-three thousand, seven hundred twenty-seven".