146173201 has 2 divisors, whose sum is σ = 146173202. Its totient is φ = 146173200.

The previous prime is 146173193. The next prime is 146173217. The reversal of 146173201 is 102371641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77862976 + 68310225 = 8824^2 + 8265^2 .

It is a cyclic number.

It is not a de Polignac number, because 146173201 - 2³ = 146173193 is a prime.

It is not a weakly prime, because it can be changed into another prime (146173231) 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, 73086600 + 73086601.

It is an arithmetic number, because the mean of its divisors is an integer number (73086601).

Almost surely, 2^146173201 is an apocalyptic number.

It is an amenable number.

146173201 is a deficient number, since it is larger than the sum of its proper divisors (1).

146173201 is an equidigital number, since it uses as much as digits as its factorization.

146173201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 146173201 is about 12090.2109576301. The cubic root of 146173201 is about 526.7718828314.

The spelling of 146173201 in words is "one hundred forty-six million, one hundred seventy-three thousand, two hundred one".