146775161 has 8 divisors (see below), whose sum is σ = 167363784. Its totient is φ = 127514880.

The previous prime is 146775157. The next prime is 146775163. The reversal of 146775161 is 161577641.

It can be written as a sum of positive squares in 4 ways, for example, as 1936 + 146773225 = 44^2 + 12115^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146775161 - 2² = 146775157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146775163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331850 + ... + 332291.

It is an arithmetic number, because the mean of its divisors is an integer number (20920473).

Almost surely, 2^146775161 is an apocalyptic number.

It is an amenable number.

146775161 is a deficient number, since it is larger than the sum of its proper divisors (20588623).

146775161 is a wasteful number, since it uses less digits than its factorization.

146775161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664171.

The product of its digits is 35280, while the sum is 38.

The square root of 146775161 is about 12115.0799006858. The cubic root of 146775161 is about 527.4939972214.

The spelling of 146775161 in words is "one hundred forty-six million, seven hundred seventy-five thousand, one hundred sixty-one".