48161 has 4 divisors (see below), whose sum is σ = 51012. Its totient is φ = 45312.

The previous prime is 48157. The next prime is 48163. The reversal of 48161 is 16184.

48161 = 45² + 46² + ... + 61².

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 28561 + 19600 = 169^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 48161 - 2² = 48157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400 + ... + 1433.

It is an arithmetic number, because the mean of its divisors is an integer number (12753).

2⁴⁸¹⁶¹ is an apocalyptic number.

It is an amenable number.

48161 is a deficient number, since it is larger than the sum of its proper divisors (2851).

48161 is a wasteful number, since it uses less digits than its factorization.

48161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850.

The product of its digits is 192, while the sum is 20.

The square root of 48161 is about 219.4561459609. The cubic root of 48161 is about 36.3829993468.

The spelling of 48161 in words is "forty-eight thousand, one hundred sixty-one".