245324430205 has 4 divisors (see below), whose sum is σ = 294389316252. Its totient is φ = 196259544160.

The previous prime is 245324430199. The next prime is 245324430217. The reversal of 245324430205 is 502034423542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91480841764 + 153843588441 = 302458^2 + 392229^2 .

It is not a de Polignac number, because 245324430205 - 2⁷ = 245324430077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24532443016 + ... + 24532443025.

It is an arithmetic number, because the mean of its divisors is an integer number (73597329063).

Almost surely, 2^245324430205 is an apocalyptic number.

It is an amenable number.

245324430205 is a deficient number, since it is larger than the sum of its proper divisors (49064886047).

245324430205 is an equidigital number, since it uses as much as digits as its factorization.

245324430205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49064886046.

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 245324430205 its reverse (502034423542), we get a palindrome (747358853747).

The spelling of 245324430205 in words is "two hundred forty-five billion, three hundred twenty-four million, four hundred thirty thousand, two hundred five".