146298457 has 2 divisors, whose sum is σ = 146298458. Its totient is φ = 146298456.

The previous prime is 146298421. The next prime is 146298463. The reversal of 146298457 is 754892641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121088016 + 25210441 = 11004^2 + 5021^2 .

It is a cyclic number.

It is not a de Polignac number, because 146298457 - 2⁷ = 146298329 is a prime.

It is not a weakly prime, because it can be changed into another prime (146298487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73149228 + 73149229.

It is an arithmetic number, because the mean of its divisors is an integer number (73149229).

Almost surely, 2^146298457 is an apocalyptic number.

It is an amenable number.

146298457 is a deficient number, since it is larger than the sum of its proper divisors (1).

146298457 is an equidigital number, since it uses as much as digits as its factorization.

146298457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 146298457 is about 12095.3899069025. The cubic root of 146298457 is about 526.9223037042.

The spelling of 146298457 in words is "one hundred forty-six million, two hundred ninety-eight thousand, four hundred fifty-seven".