146326217 has 2 divisors, whose sum is σ = 146326218. Its totient is φ = 146326216.

The previous prime is 146326177. The next prime is 146326247. The reversal of 146326217 is 712623641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144264121 + 2062096 = 12011^2 + 1436^2 .

It is a cyclic number.

It is not a de Polignac number, because 146326217 - 2⁶ = 146326153 is a prime.

It is a super-2 number, since 2×146326217² = 42822723563062178, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146326247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73163108 + 73163109.

It is an arithmetic number, because the mean of its divisors is an integer number (73163109).

Almost surely, 2^146326217 is an apocalyptic number.

It is an amenable number.

146326217 is a deficient number, since it is larger than the sum of its proper divisors (1).

146326217 is an equidigital number, since it uses as much as digits as its factorization.

146326217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 146326217 is about 12096.5373971232. The cubic root of 146326217 is about 526.9556292735.

Adding to 146326217 its reverse (712623641), we get a palindrome (858949858).

The spelling of 146326217 in words is "one hundred forty-six million, three hundred twenty-six thousand, two hundred seventeen".