200144321 has 8 divisors (see below), whose sum is σ = 224911680. Its totient is φ = 176715792.

The previous prime is 200144303. The next prime is 200144333. The reversal of 200144321 is 123441002.

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 200144321 - 2²² = 195950017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200144321.

It is not an unprimeable number, because it can be changed into a prime (200144221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334391 + ... + 334988.

It is an arithmetic number, because the mean of its divisors is an integer number (28113960).

Almost surely, 2^200144321 is an apocalyptic number.

It is an amenable number.

200144321 is a deficient number, since it is larger than the sum of its proper divisors (24767359).

200144321 is a wasteful number, since it uses less digits than its factorization.

200144321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669415.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 200144321 is about 14147.2372214507. The cubic root of 200144321 is about 584.9441795424.

Adding to 200144321 its reverse (123441002), we get a palindrome (323585323).

The spelling of 200144321 in words is "two hundred million, one hundred forty-four thousand, three hundred twenty-one".