201011745 has 32 divisors (see below), whose sum is σ = 353994624. Its totient is φ = 96588800.

The previous prime is 201011737. The next prime is 201011747. The reversal of 201011745 is 547110102.

It is a happy number.

It is not a de Polignac number, because 201011745 - 2³ = 201011737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201011747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13255 + ... + 24035.

It is an arithmetic number, because the mean of its divisors is an integer number (11062332).

Almost surely, 2^201011745 is an apocalyptic number.

It is an amenable number.

201011745 is a deficient number, since it is larger than the sum of its proper divisors (152982879).

201011745 is a wasteful number, since it uses less digits than its factorization.

201011745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10913.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 201011745 is about 14177.8610869200. The cubic root of 201011745 is about 585.7880095721.

Adding to 201011745 its reverse (547110102), we get a palindrome (748121847).

The spelling of 201011745 in words is "two hundred one million, eleven thousand, seven hundred forty-five".