248140 has 24 divisors (see below), whose sum is σ = 549360. Its totient is φ = 93888.

The previous prime is 248137. The next prime is 248141. The reversal of 248140 is 41842.

248140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an Ulam number.

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 7 ways as a sum of consecutive naturals, for example, 54 + ... + 706.

It is an arithmetic number, because the mean of its divisors is an integer number (22890).

2²⁴⁸¹⁴⁰ is an apocalyptic number.

248140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 248140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274680).

248140 is an abundant number, since it is smaller than the sum of its proper divisors (301220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

248140 is a wasteful number, since it uses less digits than its factorization.

248140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 248140 is about 498.1365274701. The cubic root of 248140 is about 62.8394332242.

Adding to 248140 its reverse (41842), we get a palindrome (289982).

The spelling of 248140 in words is "two hundred forty-eight thousand, one hundred forty".