245544133 has 2 divisors, whose sum is σ = 245544134. Its totient is φ = 245544132.

The previous prime is 245544097. The next prime is 245544137. The reversal of 245544133 is 331445542.

245544133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131951169 + 113592964 = 11487^2 + 10658^2 .

It is a cyclic number.

It is not a de Polignac number, because 245544133 - 2⁹ = 245543621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245544095 and 245544104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245544137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122772066 + 122772067.

It is an arithmetic number, because the mean of its divisors is an integer number (122772067).

Almost surely, 2^245544133 is an apocalyptic number.

It is an amenable number.

245544133 is a deficient number, since it is larger than the sum of its proper divisors (1).

245544133 is an equidigital number, since it uses as much as digits as its factorization.

245544133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 31.

The square root of 245544133 is about 15669.8478933269. The cubic root of 245544133 is about 626.1953724380.

Adding to 245544133 its reverse (331445542), we get a palindrome (576989675).

The spelling of 245544133 in words is "two hundred forty-five million, five hundred forty-four thousand, one hundred thirty-three".