205330144 has 12 divisors (see below), whose sum is σ = 404243784. Its totient is φ = 102665056.

The previous prime is 205330141. The next prime is 205330163. The reversal of 205330144 is 441033502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205330141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208252 + ... + 3208315.

It is an arithmetic number, because the mean of its divisors is an integer number (33686982).

Almost surely, 2^205330144 is an apocalyptic number.

It is an amenable number.

205330144 is a deficient number, since it is larger than the sum of its proper divisors (198913640).

205330144 is an equidigital number, since it uses as much as digits as its factorization.

205330144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416577 (or 6416569 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 205330144 is about 14329.3455537927. The cubic root of 205330144 is about 589.9532127985.

Adding to 205330144 its reverse (441033502), we get a palindrome (646363646).

The spelling of 205330144 in words is "two hundred five million, three hundred thirty thousand, one hundred forty-four".