146422897 has 2 divisors, whose sum is σ = 146422898. Its totient is φ = 146422896.

The previous prime is 146422867. The next prime is 146422909. The reversal of 146422897 is 798224641.

146422897 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., 90935296 + 55487601 = 9536^2 + 7449^2 .

It is a cyclic number.

It is not a de Polignac number, because 146422897 - 2¹⁹ = 145898609 is a prime.

It is not a weakly prime, because it can be changed into another prime (146422867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73211448 + 73211449.

It is an arithmetic number, because the mean of its divisors is an integer number (73211449).

Almost surely, 2^146422897 is an apocalyptic number.

It is an amenable number.

146422897 is a deficient number, since it is larger than the sum of its proper divisors (1).

146422897 is an equidigital number, since it uses as much as digits as its factorization.

146422897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The square root of 146422897 is about 12100.5329221485. The cubic root of 146422897 is about 527.0716596407.

The spelling of 146422897 in words is "one hundred forty-six million, four hundred twenty-two thousand, eight hundred ninety-seven".