200000144 has 20 divisors (see below), whose sum is σ = 392810796. Its totient is φ = 98629632.

The previous prime is 200000131. The next prime is 200000161. The reversal of 200000144 is 441000002.

200000144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 58675600 + 141324544 = 7660^2 + 11888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84449 + ... + 86784.

Almost surely, 2^200000144 is an apocalyptic number.

It is an amenable number.

200000144 is a deficient number, since it is larger than the sum of its proper divisors (192810652).

200000144 is a wasteful number, since it uses less digits than its factorization.

200000144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171314 (or 171308 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 200000144 is about 14142.1407148989. The cubic root of 200000144 is about 584.8036879954.

Adding to 200000144 its reverse (441000002), we get a palindrome (641000146).

The spelling of 200000144 in words is "two hundred million, one hundred forty-four", and thus it is an aban number.