248845 has 8 divisors (see below), whose sum is σ = 301464. Its totient is φ = 197184.

The previous prime is 248839. The next prime is 248851. The reversal of 248845 is 548842.

248845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (248839) and next prime (248851).

It can be written as a sum of positive squares in 4 ways, for example, as 841 + 248004 = 29^2 + 498^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248845 - 2⁵ = 248813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627 + ... + 943.

It is an arithmetic number, because the mean of its divisors is an integer number (37683).

2²⁴⁸⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

248845 is a deficient number, since it is larger than the sum of its proper divisors (52619).

248845 is a wasteful number, since it uses less digits than its factorization.

248845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its digits is 10240, while the sum is 31.

The square root of 248845 is about 498.8436628845. The cubic root of 248845 is about 62.8988887878.

The spelling of 248845 in words is "two hundred forty-eight thousand, eight hundred forty-five".