201444 has 12 divisors (see below), whose sum is σ = 470064. Its totient is φ = 67144.

The previous prime is 201437. The next prime is 201449. The reversal of 201444 is 444102.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (201449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8382 + ... + 8405.

It is an arithmetic number, because the mean of its divisors is an integer number (39172).

2²⁰¹⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

201444 is an abundant number, since it is smaller than the sum of its proper divisors (268620).

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

201444 is a wasteful number, since it uses less digits than its factorization.

201444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16794 (or 16792 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 201444 is about 448.8251329861. The cubic root of 201444 is about 58.6207601161.

Adding to 201444 its reverse (444102), we get a palindrome (645546).

The spelling of 201444 in words is "two hundred one thousand, four hundred forty-four", and thus it is an iban number.