245268 has 30 divisors (see below), whose sum is σ = 642026. Its totient is φ = 81648.

The previous prime is 245261. The next prime is 245269. The reversal of 245268 is 862542.

It can be written as a sum of positive squares in only one way, i.e., 219024 + 26244 = 468^2 + 162^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245261) by changing a digit.

245268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55 + ... + 702.

2²⁴⁵²⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321013).

245268 is an abundant number, since it is smaller than the sum of its proper divisors (396758).

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

245268 is a wasteful number, since it uses less digits than its factorization.

245268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 762 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 245268 is about 495.2453937191. The cubic root of 245268 is about 62.5960549661.

The spelling of 245268 in words is "two hundred forty-five thousand, two hundred sixty-eight".