146173193 has 2 divisors, whose sum is σ = 146173194. Its totient is φ = 146173192.

The previous prime is 146173189. The next prime is 146173201. The reversal of 146173193 is 391371641.

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., 125260864 + 20912329 = 11192^2 + 4573^2 .

It is a cyclic number.

It is not a de Polignac number, because 146173193 - 2² = 146173189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (146173103) 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, 73086596 + 73086597.

It is an arithmetic number, because the mean of its divisors is an integer number (73086597).

Almost surely, 2^146173193 is an apocalyptic number.

It is an amenable number.

146173193 is a deficient number, since it is larger than the sum of its proper divisors (1).

146173193 is an equidigital number, since it uses as much as digits as its factorization.

146173193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 146173193 is about 12090.2106267840. The cubic root of 146173193 is about 526.7718732214.

The spelling of 146173193 in words is "one hundred forty-six million, one hundred seventy-three thousand, one hundred ninety-three".