201144416 has 24 divisors (see below), whose sum is σ = 432004104. Its totient is φ = 91429120.

The previous prime is 201144403. The next prime is 201144421. The reversal of 201144416 is 614441102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201144391 and 201144400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285365 + ... + 286068.

It is an arithmetic number, because the mean of its divisors is an integer number (18000171).

Almost surely, 2^201144416 is an apocalyptic number.

It is an amenable number.

201144416 is an abundant number, since it is smaller than the sum of its proper divisors (230859688).

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

201144416 is a wasteful number, since it uses less digits than its factorization.

201144416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571454 (or 571446 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 201144416 is about 14182.5391238664. The cubic root of 201144416 is about 585.9168577465.

Adding to 201144416 its reverse (614441102), we get a palindrome (815585518).

The spelling of 201144416 in words is "two hundred one million, one hundred forty-four thousand, four hundred sixteen".