200144403 has 12 divisors (see below), whose sum is σ = 295821240. Its totient is φ = 130326336.

The previous prime is 200144393. The next prime is 200144431. The reversal of 200144403 is 304441002.

It is a de Polignac number, because none of the positive numbers 2^k-200144403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200144443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258198 + ... + 258971.

It is an arithmetic number, because the mean of its divisors is an integer number (24651770).

Almost surely, 2^200144403 is an apocalyptic number.

200144403 is a deficient number, since it is larger than the sum of its proper divisors (95676837).

200144403 is a wasteful number, since it uses less digits than its factorization.

200144403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517218 (or 517215 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 200144403 is about 14147.2401195428. The cubic root of 200144403 is about 584.9442594271.

Adding to 200144403 its reverse (304441002), we get a palindrome (504585405).

The spelling of 200144403 in words is "two hundred million, one hundred forty-four thousand, four hundred three".