201144452 has 24 divisors (see below), whose sum is σ = 363340320. Its totient is φ = 97384320.

The previous prime is 201144451. The next prime is 201144467. The reversal of 201144452 is 254441102.

It is not an unprimeable number, because it can be changed into a prime (201144451) 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, 9452 + ... + 22172.

It is an arithmetic number, because the mean of its divisors is an integer number (15139180).

Almost surely, 2^201144452 is an apocalyptic number.

It is an amenable number.

201144452 is a deficient number, since it is larger than the sum of its proper divisors (162195868).

201144452 is a wasteful number, since it uses less digits than its factorization.

201144452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12851 (or 12849 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 201144452 is about 14182.5403930326. The cubic root of 201144452 is about 585.9168927015.

Adding to 201144452 its reverse (254441102), we get a palindrome (455585554).

The spelling of 201144452 in words is "two hundred one million, one hundred forty-four thousand, four hundred fifty-two".