245554044233 has 2 divisors, whose sum is σ = 245554044234. Its totient is φ = 245554044232.

The previous prime is 245554044221. The next prime is 245554044259. The reversal of 245554044233 is 332440455542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152262283264 + 93291760969 = 390208^2 + 305437^2 .

It is a cyclic number.

It is not a de Polignac number, because 245554044233 - 2²⁰ = 245552995657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (245554044133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122777022116 + 122777022117.

It is an arithmetic number, because the mean of its divisors is an integer number (122777022117).

Almost surely, 2^245554044233 is an apocalyptic number.

It is an amenable number.

245554044233 is a deficient number, since it is larger than the sum of its proper divisors (1).

245554044233 is an equidigital number, since it uses as much as digits as its factorization.

245554044233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 245554044233 its reverse (332440455542), we get a palindrome (577994499775).

The spelling of 245554044233 in words is "two hundred forty-five billion, five hundred fifty-four million, forty-four thousand, two hundred thirty-three".