245205354235252 has 12 divisors (see below), whose sum is σ = 433046153122660. Its totient is φ = 121477881914496.

The previous prime is 245205354235249. The next prime is 245205354235301. The reversal of 245205354235252 is 252532453502542.

It can be written as a sum of positive squares in 2 ways, for example, as 140548280353636 + 104657073881616 = 11855306^2 + 10230204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245205354235196 and 245205354235205.

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, 281198800293 + ... + 281198801164.

Almost surely, 2^{245205354235252} is an apocalyptic number.

It is an amenable number.

245205354235252 is a deficient number, since it is larger than the sum of its proper divisors (187840798887408).

245205354235252 is a wasteful number, since it uses less digits than its factorization.

245205354235252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562397601570 (or 562397601568 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 49.

The spelling of 245205354235252 in words is "two hundred forty-five trillion, two hundred five billion, three hundred fifty-four million, two hundred thirty-five thousand, two hundred fifty-two".