142460257 has 2 divisors, whose sum is σ = 142460258. Its totient is φ = 142460256.

The previous prime is 142460203. The next prime is 142460261. The reversal of 142460257 is 752064241.

142460257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119333776 + 23126481 = 10924^2 + 4809^2 .

It is a cyclic number.

It is not a de Polignac number, because 142460257 - 2¹¹ = 142458209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142460657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71230128 + 71230129.

It is an arithmetic number, because the mean of its divisors is an integer number (71230129).

Almost surely, 2^142460257 is an apocalyptic number.

It is an amenable number.

142460257 is a deficient number, since it is larger than the sum of its proper divisors (1).

142460257 is an equidigital number, since it uses as much as digits as its factorization.

142460257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 142460257 is about 11935.6716191423. The cubic root of 142460257 is about 522.2734006698.

The spelling of 142460257 in words is "one hundred forty-two million, four hundred sixty thousand, two hundred fifty-seven".