48845 has 4 divisors (see below), whose sum is σ = 58620. Its totient is φ = 39072.

The previous prime is 48823. The next prime is 48847. The reversal of 48845 is 54884.

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 17161 + 31684 = 131^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 48845 - 2⁶ = 48781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4880 + ... + 4889.

It is an arithmetic number, because the mean of its divisors is an integer number (14655).

2⁴⁸⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

48845 is a deficient number, since it is larger than the sum of its proper divisors (9775).

48845 is an equidigital number, since it uses as much as digits as its factorization.

48845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9774.

The product of its digits is 5120, while the sum is 29.

The square root of 48845 is about 221.0090495885. The cubic root of 48845 is about 36.5544318282.

The spelling of 48845 in words is "forty-eight thousand, eight hundred forty-five".