142910897 has 2 divisors, whose sum is σ = 142910898. Its totient is φ = 142910896.

The previous prime is 142910839. The next prime is 142910939. The reversal of 142910897 is 798019241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127260961 + 15649936 = 11281^2 + 3956^2 .

It is a cyclic number.

It is not a de Polignac number, because 142910897 - 2¹² = 142906801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142910827) 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, 71455448 + 71455449.

It is an arithmetic number, because the mean of its divisors is an integer number (71455449).

Almost surely, 2^142910897 is an apocalyptic number.

It is an amenable number.

142910897 is a deficient number, since it is larger than the sum of its proper divisors (1).

142910897 is an equidigital number, since it uses as much as digits as its factorization.

142910897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 142910897 is about 11954.5345789788. The cubic root of 142910897 is about 522.8235179665.

The spelling of 142910897 in words is "one hundred forty-two million, nine hundred ten thousand, eight hundred ninety-seven".