245443 has 8 divisors (see below), whose sum is σ = 273456. Its totient is φ = 218400.

The previous prime is 245437. The next prime is 245471. The reversal of 245443 is 344542.

It is a happy number.

245443 is nontrivially palindromic in base 7.

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

It is a cyclic number.

It is not a de Polignac number, because 245443 - 2⁵ = 245411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245473) 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, 373 + ... + 793.

It is an arithmetic number, because the mean of its divisors is an integer number (34182).

2²⁴⁵⁴⁴³ is an apocalyptic number.

245443 is a deficient number, since it is larger than the sum of its proper divisors (28013).

245443 is a wasteful number, since it uses less digits than its factorization.

245443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485.

The product of its digits is 1920, while the sum is 22.

The square root of 245443 is about 495.4220423033. The cubic root of 245443 is about 62.6109389642.

Adding to 245443 its reverse (344542), we get a palindrome (589985).

Subtracting 245443 from its reverse (344542), we obtain a palindrome (99099).

The spelling of 245443 in words is "two hundred forty-five thousand, four hundred forty-three".