201444243 has 96 divisors (see below), whose sum is σ = 378201600. Its totient is φ = 93985920.

The previous prime is 201444227. The next prime is 201444247. The reversal of 201444243 is 342444102.

It is a happy number.

It is not a de Polignac number, because 201444243 - 2⁴ = 201444227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201444247) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5444421 + ... + 5444457.

It is an arithmetic number, because the mean of its divisors is an integer number (3939600).

Almost surely, 2^201444243 is an apocalyptic number.

201444243 is a deficient number, since it is larger than the sum of its proper divisors (176757357).

201444243 is a wasteful number, since it uses less digits than its factorization.

201444243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 201444243 is about 14193.1054741378. The cubic root of 201444243 is about 586.2078368727.

Adding to 201444243 its reverse (342444102), we get a palindrome (543888345).

It can be divided in two parts, 201 and 444243, that added together give a palindrome (444444).

The spelling of 201444243 in words is "two hundred one million, four hundred forty-four thousand, two hundred forty-three".