248545 has 8 divisors (see below), whose sum is σ = 325440. Its totient is φ = 180720.

The previous prime is 248543. The next prime is 248569. The reversal of 248545 is 545842.

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

It is not a de Polignac number, because 248545 - 2¹ = 248543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2205 + ... + 2314.

It is an arithmetic number, because the mean of its divisors is an integer number (40680).

2²⁴⁸⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

248545 is a deficient number, since it is larger than the sum of its proper divisors (76895).

248545 is a wasteful number, since it uses less digits than its factorization.

248545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535.

The product of its digits is 6400, while the sum is 28.

The square root of 248545 is about 498.5428767920. The cubic root of 248545 is about 62.8736022914.

The spelling of 248545 in words is "two hundred forty-eight thousand, five hundred forty-five".