245304 has 24 divisors (see below), whose sum is σ = 664560. Its totient is φ = 81744.

The previous prime is 245299. The next prime is 245317. The reversal of 245304 is 403542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1632 + ... + 1775.

It is an arithmetic number, because the mean of its divisors is an integer number (27690).

2²⁴⁵³⁰⁴ is an apocalyptic number.

245304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245304 is an abundant number, since it is smaller than the sum of its proper divisors (419256).

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

245304 is a wasteful number, since it uses less digits than its factorization.

245304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419 (or 3412 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 245304 is about 495.2817380037. The cubic root of 245304 is about 62.5991173954.

Adding to 245304 its reverse (403542), we get a palindrome (648846).

The spelling of 245304 in words is "two hundred forty-five thousand, three hundred four".