11445161 has 16 divisors (see below), whose sum is σ = 14187264. Its totient is φ = 8990784.

The previous prime is 11445157. The next prime is 11445167. The reversal of 11445161 is 16154411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11445161 - 2² = 11445157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11445167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15380 + ... + 16106.

It is an arithmetic number, because the mean of its divisors is an integer number (886704).

Almost surely, 2^11445161 is an apocalyptic number.

It is an amenable number.

11445161 is a deficient number, since it is larger than the sum of its proper divisors (2742103).

11445161 is a wasteful number, since it uses less digits than its factorization.

11445161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920.

The product of its digits is 480, while the sum is 23.

The square root of 11445161 is about 3383.0697598483. The cubic root of 11445161 is about 225.3585132181.

Adding to 11445161 its reverse (16154411), we get a palindrome (27599572).

The spelling of 11445161 in words is "eleven million, four hundred forty-five thousand, one hundred sixty-one".