248145 has 16 divisors (see below), whose sum is σ = 404352. Its totient is φ = 129920.

The previous prime is 248141. The next prime is 248161. The reversal of 248145 is 541842.

248145 = 153² + 154² + ... + 162².

248145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 248145 - 2² = 248141 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 248145.

It is not an unprimeable number, because it can be changed into a prime (248141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949 + ... + 1181.

It is an arithmetic number, because the mean of its divisors is an integer number (25272).

2²⁴⁸¹⁴⁵ is an apocalyptic number.

It is an amenable number.

248145 is a deficient number, since it is larger than the sum of its proper divisors (156207).

248145 is a wasteful number, since it uses less digits than its factorization.

248145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its digits is 1280, while the sum is 24.

The square root of 248145 is about 498.1415461493. The cubic root of 248145 is about 62.8398552911.

Adding to 248145 its reverse (541842), we get a palindrome (789987).

It can be divided in two parts, 248 and 145, that added together give a palindrome (393).

The spelling of 248145 in words is "two hundred forty-eight thousand, one hundred forty-five".