245244205 has 8 divisors (see below), whose sum is σ = 296168472. Its totient is φ = 194945088.

The previous prime is 245244169. The next prime is 245244269. The reversal of 245244205 is 502442542.

245244205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1447209 + 243796996 = 1203^2 + 15614^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 245244205 - 2⁹ = 245243693 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 7 ways as a sum of consecutive naturals, for example, 155422 + ... + 156991.

It is an arithmetic number, because the mean of its divisors is an integer number (37021059).

Almost surely, 2^245244205 is an apocalyptic number.

It is an amenable number.

245244205 is a deficient number, since it is larger than the sum of its proper divisors (50924267).

245244205 is a wasteful number, since it uses less digits than its factorization.

245244205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312575.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 245244205 is about 15660.2747421621. The cubic root of 245244205 is about 625.9403062093.

Adding to 245244205 its reverse (502442542), we get a palindrome (747686747).

It can be divided in two parts, 245 and 244205, that multiplied together give a square (59830225 = 7735²).

The spelling of 245244205 in words is "two hundred forty-five million, two hundred forty-four thousand, two hundred five".