200144430 has 48 divisors (see below), whose sum is σ = 530206560. Its totient is φ = 52363584.

The previous prime is 200144393. The next prime is 200144431. The reversal of 200144430 is 34441002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200144431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16210 + ... + 25749.

It is an arithmetic number, because the mean of its divisors is an integer number (11045970).

Almost surely, 2^200144430 is an apocalyptic number.

200144430 is an abundant number, since it is smaller than the sum of its proper divisors (330062130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200144430 is a wasteful number, since it uses less digits than its factorization.

200144430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42025 (or 42022 counting only the distinct ones).

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

The square root of 200144430 is about 14147.2410737924. The cubic root of 200144430 is about 584.9442857306.

Adding to 200144430 its reverse (34441002), we get a palindrome (234585432).

The spelling of 200144430 in words is "two hundred million, one hundred forty-four thousand, four hundred thirty".