142660337 has 2 divisors, whose sum is σ = 142660338. Its totient is φ = 142660336.

The previous prime is 142660327. The next prime is 142660339. The reversal of 142660337 is 733066241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108659776 + 34000561 = 10424^2 + 5831^2 .

It is a cyclic number.

It is not a de Polignac number, because 142660337 - 2⁸ = 142660081 is a prime.

Together with 142660339, 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 (142660339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71330168 + 71330169.

It is an arithmetic number, because the mean of its divisors is an integer number (71330169).

Almost surely, 2^142660337 is an apocalyptic number.

It is an amenable number.

142660337 is a deficient number, since it is larger than the sum of its proper divisors (1).

142660337 is an equidigital number, since it uses as much as digits as its factorization.

142660337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 142660337 is about 11944.0502761835. The cubic root of 142660337 is about 522.5177906536.

The spelling of 142660337 in words is "one hundred forty-two million, six hundred sixty thousand, three hundred thirty-seven".