245111233 has 4 divisors (see below), whose sum is σ = 245260288. Its totient is φ = 244962180.

The previous prime is 245111231. The next prime is 245111257. The reversal of 245111233 is 332111542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245111233 - 2¹ = 245111231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245111231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72033 + ... + 75358.

It is an arithmetic number, because the mean of its divisors is an integer number (61315072).

Almost surely, 2^245111233 is an apocalyptic number.

It is an amenable number.

245111233 is a deficient number, since it is larger than the sum of its proper divisors (149055).

245111233 is a wasteful number, since it uses less digits than its factorization.

245111233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149054.

The product of its digits is 720, while the sum is 22.

The square root of 245111233 is about 15656.0286471378. The cubic root of 245111233 is about 625.8271569752.

Adding to 245111233 its reverse (332111542), we get a palindrome (577222775).

The spelling of 245111233 in words is "two hundred forty-five million, one hundred eleven thousand, two hundred thirty-three".