202043144 has 8 divisors (see below), whose sum is σ = 378830910. Its totient is φ = 101021568.

The previous prime is 202043141. The next prime is 202043173. The reversal of 202043144 is 441340202.

202043144 is digitally balanced in base 3, 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 only one way, i.e., 127012900 + 75030244 = 11270^2 + 8662^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (202043141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12627689 + ... + 12627704.

Almost surely, 2^202043144 is an apocalyptic number.

It is an amenable number.

202043144 is a deficient number, since it is larger than the sum of its proper divisors (176787766).

202043144 is a wasteful number, since it uses less digits than its factorization.

202043144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25255399 (or 25255395 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 202043144 is about 14214.1881231395. The cubic root of 202043144 is about 586.7882011181.

Adding to 202043144 its reverse (441340202), we get a palindrome (643383346).

The spelling of 202043144 in words is "two hundred two million, forty-three thousand, one hundred forty-four".