142555027 has 2 divisors, whose sum is σ = 142555028. Its totient is φ = 142555026.

The previous prime is 142555009. The next prime is 142555031. The reversal of 142555027 is 720555241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142555027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142555027.

It is not a weakly prime, because it can be changed into another prime (142555067) 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, 71277513 + 71277514.

It is an arithmetic number, because the mean of its divisors is an integer number (71277514).

Almost surely, 2^142555027 is an apocalyptic number.

142555027 is a deficient number, since it is larger than the sum of its proper divisors (1).

142555027 is an equidigital number, since it uses as much as digits as its factorization.

142555027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 142555027 is about 11939.6409912526. The cubic root of 142555027 is about 522.3891870647.

The spelling of 142555027 in words is "one hundred forty-two million, five hundred fifty-five thousand, twenty-seven".