245312055 has 24 divisors (see below), whose sum is σ = 426439728. Its totient is φ = 130454016.

The previous prime is 245312027. The next prime is 245312077. The reversal of 245312055 is 550213542.

It is a happy number.

245312055 is a `hidden beast` number, since 2 + 453 + 1 + 205 + 5 = 666.

It is not a de Polignac number, because 245312055 - 2⁹ = 245311543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8164 + ... + 23606.

It is an arithmetic number, because the mean of its divisors is an integer number (17768322).

Almost surely, 2^245312055 is an apocalyptic number.

245312055 is a deficient number, since it is larger than the sum of its proper divisors (181127673).

245312055 is a wasteful number, since it uses less digits than its factorization.

245312055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15807 (or 15804 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 245312055 is about 15662.4409017241. The cubic root of 245312055 is about 625.9980257298.

Adding to 245312055 its reverse (550213542), we get a palindrome (795525597).

The spelling of 245312055 in words is "two hundred forty-five million, three hundred twelve thousand, fifty-five".