142460567321 has 2 divisors, whose sum is σ = 142460567322. Its totient is φ = 142460567320.

The previous prime is 142460567281. The next prime is 142460567323. The reversal of 142460567321 is 123765064241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136482958096 + 5977609225 = 369436^2 + 77315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142460567321 is a prime.

It is a Sophie Germain prime.

Together with 142460567323, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (142460567323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71230283660 + 71230283661.

It is an arithmetic number, because the mean of its divisors is an integer number (71230283661).

Almost surely, 2^142460567321 is an apocalyptic number.

It is an amenable number.

142460567321 is a deficient number, since it is larger than the sum of its proper divisors (1).

142460567321 is an equidigital number, since it uses as much as digits as its factorization.

142460567321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 142460567321 in words is "one hundred forty-two billion, four hundred sixty million, five hundred sixty-seven thousand, three hundred twenty-one".