142980427 has 2 divisors, whose sum is σ = 142980428. Its totient is φ = 142980426.

The previous prime is 142980391. The next prime is 142980437. The reversal of 142980427 is 724089241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142980427 - 2¹¹ = 142978379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142980437) 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, 71490213 + 71490214.

It is an arithmetic number, because the mean of its divisors is an integer number (71490214).

Almost surely, 2^142980427 is an apocalyptic number.

142980427 is a deficient number, since it is larger than the sum of its proper divisors (1).

142980427 is an equidigital number, since it uses as much as digits as its factorization.

142980427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 142980427 is about 11957.4423268523. The cubic root of 142980427 is about 522.9082934599.

The spelling of 142980427 in words is "one hundred forty-two million, nine hundred eighty thousand, four hundred twenty-seven".