200055144 has 32 divisors (see below), whose sum is σ = 505095840. Its totient is φ = 66024000.

The previous prime is 200055139. The next prime is 200055151. The reversal of 200055144 is 441550002.

It is a self number, because there is not a number n which added to its sum of digits gives 200055144.

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, 38842 + ... + 43689.

It is an arithmetic number, because the mean of its divisors is an integer number (15784245).

Almost surely, 2^200055144 is an apocalyptic number.

200055144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

200055144 is an abundant number, since it is smaller than the sum of its proper divisors (305040696).

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

200055144 is a wasteful number, since it uses less digits than its factorization.

200055144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82641 (or 82637 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 200055144 is about 14144.0851241782. The cubic root of 200055144 is about 584.8572900483.

The spelling of 200055144 in words is "two hundred million, fifty-five thousand, one hundred forty-four".