245203223205 has 16 divisors (see below), whose sum is σ = 392343629760. Its totient is φ = 130768894848.

The previous prime is 245203223197. The next prime is 245203223233. The reversal of 245203223205 is 502322302542.

It is not a de Polignac number, because 245203223205 - 2³ = 245203223197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46032 + ... + 701801.

It is an arithmetic number, because the mean of its divisors is an integer number (24521476860).

Almost surely, 2^245203223205 is an apocalyptic number.

It is an amenable number.

245203223205 is a deficient number, since it is larger than the sum of its proper divisors (147140406555).

245203223205 is a wasteful number, since it uses less digits than its factorization.

245203223205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769700.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 245203223205 its reverse (502322302542), we get a palindrome (747525525747).

The spelling of 245203223205 in words is "two hundred forty-five billion, two hundred three million, two hundred twenty-three thousand, two hundred five".