146336161 has 4 divisors (see below), whose sum is σ = 146389572. Its totient is φ = 146282752.

The previous prime is 146336149. The next prime is 146336171. The reversal of 146336161 is 161633641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79995136 + 66341025 = 8944^2 + 8145^2 .

It is a cyclic number.

It is not a de Polignac number, because 146336161 - 2¹⁵ = 146303393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146336111) 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 in 3 ways as a sum of consecutive naturals, for example, 22360 + ... + 28153.

It is an arithmetic number, because the mean of its divisors is an integer number (36597393).

Almost surely, 2^146336161 is an apocalyptic number.

It is an amenable number.

146336161 is a deficient number, since it is larger than the sum of its proper divisors (53411).

146336161 is an equidigital number, since it uses as much as digits as its factorization.

146336161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53410.

The product of its digits is 7776, while the sum is 31.

The square root of 146336161 is about 12096.9484168529. The cubic root of 146336161 is about 526.9675659088.

The spelling of 146336161 in words is "one hundred forty-six million, three hundred thirty-six thousand, one hundred sixty-one".