146816897 has 2 divisors, whose sum is σ = 146816898. Its totient is φ = 146816896.

The previous prime is 146816893. The next prime is 146816909. The reversal of 146816897 is 798618641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93876721 + 52940176 = 9689^2 + 7276^2 .

It is a cyclic number.

It is not a de Polignac number, because 146816897 - 2² = 146816893 is a prime.

It is not a weakly prime, because it can be changed into another prime (146816893) 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, 73408448 + 73408449.

It is an arithmetic number, because the mean of its divisors is an integer number (73408449).

Almost surely, 2^146816897 is an apocalyptic number.

It is an amenable number.

146816897 is a deficient number, since it is larger than the sum of its proper divisors (1).

146816897 is an equidigital number, since it uses as much as digits as its factorization.

146816897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 50.

The square root of 146816897 is about 12116.8022596723. The cubic root of 146816897 is about 527.5439907010.

The spelling of 146816897 in words is "one hundred forty-six million, eight hundred sixteen thousand, eight hundred ninety-seven".