200103144 has 32 divisors (see below), whose sum is σ = 502809120. Its totient is φ = 66360896.

The previous prime is 200103133. The next prime is 200103157. The reversal of 200103144 is 441301002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16434 + ... + 25889.

It is an arithmetic number, because the mean of its divisors is an integer number (15712785).

Almost surely, 2^200103144 is an apocalyptic number.

200103144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

200103144 is an abundant number, since it is smaller than the sum of its proper divisors (302705976).

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

200103144 is a wasteful number, since it uses less digits than its factorization.

200103144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42529 (or 42525 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 200103144 is about 14145.7818447762. The cubic root of 200103144 is about 584.9040619940.

Adding to 200103144 its reverse (441301002), we get a palindrome (641404146).

The spelling of 200103144 in words is "two hundred million, one hundred three thousand, one hundred forty-four".