146297317 has 2 divisors, whose sum is σ = 146297318. Its totient is φ = 146297316.

The previous prime is 146297267. The next prime is 146297369. The reversal of 146297317 is 713792641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142420356 + 3876961 = 11934^2 + 1969^2 .

It is a cyclic number.

It is not a de Polignac number, because 146297317 - 2¹⁹ = 145773029 is a prime.

It is a super-2 number, since 2×146297317² = 42805809922796978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 146297317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146297387) 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, 73148658 + 73148659.

It is an arithmetic number, because the mean of its divisors is an integer number (73148659).

Almost surely, 2^146297317 is an apocalyptic number.

It is an amenable number.

146297317 is a deficient number, since it is larger than the sum of its proper divisors (1).

146297317 is an equidigital number, since it uses as much as digits as its factorization.

146297317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 146297317 is about 12095.3427814180. The cubic root of 146297317 is about 526.9209350569.

The spelling of 146297317 in words is "one hundred forty-six million, two hundred ninety-seven thousand, three hundred seventeen".