201144141 has 20 divisors (see below), whose sum is σ = 327791904. Its totient is φ = 121905000.

The previous prime is 201144137. The next prime is 201144193. The reversal of 201144141 is 141441102.

It is not a de Polignac number, because 201144141 - 2² = 201144137 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201144641) 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 19 ways as a sum of consecutive naturals, for example, 111985 + ... + 113766.

Almost surely, 2^201144141 is an apocalyptic number.

It is an amenable number.

201144141 is a deficient number, since it is larger than the sum of its proper divisors (126647763).

201144141 is a wasteful number, since it uses less digits than its factorization.

201144141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225774 (or 225765 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 201144141 is about 14182.5294288431. The cubic root of 201144141 is about 585.9165907291.

Adding to 201144141 its reverse (141441102), we get a palindrome (342585243).

The spelling of 201144141 in words is "two hundred one million, one hundred forty-four thousand, one hundred forty-one".