200144393 has 2 divisors, whose sum is σ = 200144394. Its totient is φ = 200144392.

The previous prime is 200144389. The next prime is 200144431. The reversal of 200144393 is 393441002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198161929 + 1982464 = 14077^2 + 1408^2 .

It is a cyclic number.

It is not a de Polignac number, because 200144393 - 2² = 200144389 is a prime.

It is not a weakly prime, because it can be changed into another prime (200144303) by changing a digit.

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, 100072196 + 100072197.

It is an arithmetic number, because the mean of its divisors is an integer number (100072197).

Almost surely, 2^200144393 is an apocalyptic number.

It is an amenable number.

200144393 is a deficient number, since it is larger than the sum of its proper divisors (1).

200144393 is an equidigital number, since it uses as much as digits as its factorization.

200144393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 200144393 is about 14147.2397661169. The cubic root of 200144393 is about 584.9442496851.

Adding to 200144393 its reverse (393441002), we get a palindrome (593585395).

The spelling of 200144393 in words is "two hundred million, one hundred forty-four thousand, three hundred ninety-three".