245412223 has 24 divisors (see below), whose sum is σ = 292460928. Its totient is φ = 201679632.

The previous prime is 245412179. The next prime is 245412247. The reversal of 245412223 is 322214542.

It is a de Polignac number, because none of the positive numbers 2^k-245412223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245412283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 867040 + ... + 867322.

It is an arithmetic number, because the mean of its divisors is an integer number (12185872).

Almost surely, 2^245412223 is an apocalyptic number.

245412223 is a deficient number, since it is larger than the sum of its proper divisors (47048705).

245412223 is an equidigital number, since it uses as much as digits as its factorization.

245412223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 400 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 245412223 is about 15665.6382889431. The cubic root of 245412223 is about 626.0832184957.

Adding to 245412223 its reverse (322214542), we get a palindrome (567626765).

The spelling of 245412223 in words is "two hundred forty-five million, four hundred twelve thousand, two hundred twenty-three".