248045 has 16 divisors (see below), whose sum is σ = 359040. Its totient is φ = 160704.

The previous prime is 248041. The next prime is 248051. The reversal of 248045 is 540842.

It is a cyclic number.

It is not a de Polignac number, because 248045 - 2² = 248041 is a prime.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 248045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248041) 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 15 ways as a sum of consecutive naturals, for example, 479 + ... + 851.

It is an arithmetic number, because the mean of its divisors is an integer number (22440).

2²⁴⁸⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

248045 is a deficient number, since it is larger than the sum of its proper divisors (110995).

248045 is a wasteful number, since it uses less digits than its factorization.

248045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 248045 is about 498.0411629574. The cubic root of 248045 is about 62.8314128752.

Adding to 248045 its reverse (540842), we get a palindrome (788887).

The spelling of 248045 in words is "two hundred forty-eight thousand, forty-five".