248445 has 12 divisors (see below), whose sum is σ = 430716. Its totient is φ = 132480.

The previous prime is 248441. The next prime is 248447. The reversal of 248445 is 544842.

It can be written as a sum of positive squares in 2 ways, for example, as 79524 + 168921 = 282^2 + 411^2 .

It is not a de Polignac number, because 248445 - 2² = 248441 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2716 + ... + 2805.

It is an arithmetic number, because the mean of its divisors is an integer number (35893).

2²⁴⁸⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

248445 is a deficient number, since it is larger than the sum of its proper divisors (182271).

248445 is a wasteful number, since it uses less digits than its factorization.

248445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5532 (or 5529 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 248445 is about 498.4425744256. The cubic root of 248445 is about 62.8651689377.

The spelling of 248445 in words is "two hundred forty-eight thousand, four hundred forty-five".