201144044 has 12 divisors (see below), whose sum is σ = 352104984. Its totient is φ = 100542624.

The previous prime is 201144043. The next prime is 201144061. The reversal of 201144044 is 440441102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201144043) 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 3 ways as a sum of consecutive naturals, for example, 17027 + ... + 26309.

It is an arithmetic number, because the mean of its divisors is an integer number (29342082).

Almost surely, 2^201144044 is an apocalyptic number.

It is an amenable number.

201144044 is a deficient number, since it is larger than the sum of its proper divisors (150960940).

201144044 is a wasteful number, since it uses less digits than its factorization.

201144044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14704 (or 14702 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 201144044 is about 14182.5260091424. The cubic root of 201144044 is about 585.9164965447.

Adding to 201144044 its reverse (440441102), we get a palindrome (641585146).

The spelling of 201144044 in words is "two hundred one million, one hundred forty-four thousand, forty-four".