142257527 has 2 divisors, whose sum is σ = 142257528. Its totient is φ = 142257526.

The previous prime is 142257469. The next prime is 142257539. The reversal of 142257527 is 725752241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142257527 - 2¹⁰ = 142256503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142257587) 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, 71128763 + 71128764.

It is an arithmetic number, because the mean of its divisors is an integer number (71128764).

Almost surely, 2^142257527 is an apocalyptic number.

142257527 is a deficient number, since it is larger than the sum of its proper divisors (1).

142257527 is an equidigital number, since it uses as much as digits as its factorization.

142257527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39200, while the sum is 35.

The square root of 142257527 is about 11927.1759859574. The cubic root of 142257527 is about 522.0255403112.

The spelling of 142257527 in words is "one hundred forty-two million, two hundred fifty-seven thousand, five hundred twenty-seven".