201135444 has 24 divisors (see below), whose sum is σ = 494017440. Its totient is φ = 63516384.

The previous prime is 201135443. The next prime is 201135457. The reversal of 201135444 is 444531102.

201135444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201135443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440859 + ... + 441314.

It is an arithmetic number, because the mean of its divisors is an integer number (20584060).

Almost surely, 2^201135444 is an apocalyptic number.

It is an amenable number.

201135444 is an abundant number, since it is smaller than the sum of its proper divisors (292881996).

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

201135444 is a wasteful number, since it uses less digits than its factorization.

201135444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882199 (or 882197 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 201135444 is about 14182.2228159058. Note that the first 3 decimals coincide. The cubic root of 201135444 is about 585.9081460552.

Adding to 201135444 its reverse (444531102), we get a palindrome (645666546).

The spelling of 201135444 in words is "two hundred one million, one hundred thirty-five thousand, four hundred forty-four".