205100144 has 20 divisors (see below), whose sum is σ = 401849280. Its totient is φ = 101397120.

The previous prime is 205100111. The next prime is 205100167. The reversal of 205100144 is 441001502.

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, 70592 + ... + 73439.

It is an arithmetic number, because the mean of its divisors is an integer number (20092464).

Almost surely, 2^205100144 is an apocalyptic number.

It is an amenable number.

205100144 is a deficient number, since it is larger than the sum of its proper divisors (196749136).

205100144 is a wasteful number, since it uses less digits than its factorization.

205100144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144128 (or 144122 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 205100144 is about 14321.3178164581. The cubic root of 205100144 is about 589.7328523393.

Adding to 205100144 its reverse (441001502), we get a palindrome (646101646).

The spelling of 205100144 in words is "two hundred five million, one hundred thousand, one hundred forty-four".