142027547 has 2 divisors, whose sum is σ = 142027548. Its totient is φ = 142027546.

The previous prime is 142027531. The next prime is 142027549. The reversal of 142027547 is 745720241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142027547 - 2⁴ = 142027531 is a prime.

Together with 142027549, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142027549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71013773 + 71013774.

It is an arithmetic number, because the mean of its divisors is an integer number (71013774).

Almost surely, 2^142027547 is an apocalyptic number.

142027547 is a deficient number, since it is larger than the sum of its proper divisors (1).

142027547 is an equidigital number, since it uses as much as digits as its factorization.

142027547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 142027547 is about 11917.5310782058. The cubic root of 142027547 is about 521.7440784906.

Adding to 142027547 its reverse (745720241), we get a palindrome (887747788).

The spelling of 142027547 in words is "one hundred forty-two million, twenty-seven thousand, five hundred forty-seven".