245122505205 has 8 divisors (see below), whose sum is σ = 392196008352. Its totient is φ = 130732002768.

The previous prime is 245122505189. The next prime is 245122505263. The reversal of 245122505205 is 502505221542.

It is a happy number.

245122505205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245122505205 - 2⁴ = 245122505189 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8170750159 + ... + 8170750188.

It is an arithmetic number, because the mean of its divisors is an integer number (49024501044).

Almost surely, 2^245122505205 is an apocalyptic number.

It is an amenable number.

245122505205 is a deficient number, since it is larger than the sum of its proper divisors (147073503147).

245122505205 is a wasteful number, since it uses less digits than its factorization.

245122505205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16341500355.

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 245122505205 its reverse (502505221542), we get a palindrome (747627726747).

The spelling of 245122505205 in words is "two hundred forty-five billion, one hundred twenty-two million, five hundred five thousand, two hundred five".