142145027 has 2 divisors, whose sum is σ = 142145028. Its totient is φ = 142145026.

The previous prime is 142144999. The next prime is 142145033. The reversal of 142145027 is 720541241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142145027 - 2⁸ = 142144771 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 142144987 and 142145005.

It is not a weakly prime, because it can be changed into another prime (142145827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71072513 + 71072514.

It is an arithmetic number, because the mean of its divisors is an integer number (71072514).

Almost surely, 2^142145027 is an apocalyptic number.

142145027 is a deficient number, since it is larger than the sum of its proper divisors (1).

142145027 is an equidigital number, since it uses as much as digits as its factorization.

142145027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 142145027 is about 11922.4589326196. The cubic root of 142145027 is about 521.8878947272.

Adding to 142145027 its reverse (720541241), we get a palindrome (862686268).

The spelling of 142145027 in words is "one hundred forty-two million, one hundred forty-five thousand, twenty-seven".