142016257 has 2 divisors, whose sum is σ = 142016258. Its totient is φ = 142016256.

The previous prime is 142016243. The next prime is 142016261. The reversal of 142016257 is 752610241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80299521 + 61716736 = 8961^2 + 7856^2 .

It is a cyclic number.

It is not a de Polignac number, because 142016257 - 2¹⁵ = 141983489 is a prime.

It is not a weakly prime, because it can be changed into another prime (142016207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71008128 + 71008129.

It is an arithmetic number, because the mean of its divisors is an integer number (71008129).

Almost surely, 2^142016257 is an apocalyptic number.

It is an amenable number.

142016257 is a deficient number, since it is larger than the sum of its proper divisors (1).

142016257 is an equidigital number, since it uses as much as digits as its factorization.

142016257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 142016257 is about 11917.0573968577. The cubic root of 142016257 is about 521.7302533634.

Adding to 142016257 its reverse (752610241), we get a palindrome (894626498).

The spelling of 142016257 in words is "one hundred forty-two million, sixteen thousand, two hundred fifty-seven".