245133223 has 4 divisors (see below), whose sum is σ = 245632968. Its totient is φ = 244633480.

The previous prime is 245133221. The next prime is 245133233. The reversal of 245133223 is 322331542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245133223 - 2¹ = 245133221 is a prime.

It is a super-5 number, since 5×245133223⁵ (a number of 43 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245133221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249136 + ... + 250117.

It is an arithmetic number, because the mean of its divisors is an integer number (61408242).

Almost surely, 2^245133223 is an apocalyptic number.

245133223 is a deficient number, since it is larger than the sum of its proper divisors (499745).

245133223 is an equidigital number, since it uses as much as digits as its factorization.

245133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499744.

The product of its digits is 4320, while the sum is 25.

The square root of 245133223 is about 15656.7309167655. The cubic root of 245133223 is about 625.8458716454.

Adding to 245133223 its reverse (322331542), we get a palindrome (567464765).

The spelling of 245133223 in words is "two hundred forty-five million, one hundred thirty-three thousand, two hundred twenty-three".