205144052 has 6 divisors (see below), whose sum is σ = 359002098. Its totient is φ = 102572024.

The previous prime is 205144031. The next prime is 205144067. The reversal of 205144052 is 250441502.

It is a happy number.

205144052 is digitally balanced in base 3, 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 only one way, i.e., 196168036 + 8976016 = 14006^2 + 2996^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25643003 + ... + 25643010.

It is an arithmetic number, because the mean of its divisors is an integer number (59833683).

Almost surely, 2^205144052 is an apocalyptic number.

It is an amenable number.

205144052 is a deficient number, since it is larger than the sum of its proper divisors (153858046).

205144052 is a wasteful number, since it uses less digits than its factorization.

205144052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51286017 (or 51286015 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 205144052 is about 14322.8506939087. The cubic root of 205144052 is about 589.7749328274.

Adding to 205144052 its reverse (250441502), we get a palindrome (455585554).

The spelling of 205144052 in words is "two hundred five million, one hundred forty-four thousand, fifty-two".