146182217 has 2 divisors, whose sum is σ = 146182218. Its totient is φ = 146182216.

The previous prime is 146182193. The next prime is 146182247. The reversal of 146182217 is 712281641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143736121 + 2446096 = 11989^2 + 1564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146182217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146182247) 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, 73091108 + 73091109.

It is an arithmetic number, because the mean of its divisors is an integer number (73091109).

Almost surely, 2^146182217 is an apocalyptic number.

It is an amenable number.

146182217 is a deficient number, since it is larger than the sum of its proper divisors (1).

146182217 is an equidigital number, since it uses as much as digits as its factorization.

146182217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 32.

The square root of 146182217 is about 12090.5838155153. The cubic root of 146182217 is about 526.7827130831.

The spelling of 146182217 in words is "one hundred forty-six million, one hundred eighty-two thousand, two hundred seventeen".