11646145 has 32 divisors (see below), whose sum is σ = 17095680. Its totient is φ = 7439040.

The previous prime is 11646143. The next prime is 11646169. The reversal of 11646145 is 54164611.

11646145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11646145 - 2¹ = 11646143 is a prime.

It is a super-2 number, since 2×11646145² = 271265386722050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11646143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55090 + ... + 55300.

It is an arithmetic number, because the mean of its divisors is an integer number (534240).

Almost surely, 2^11646145 is an apocalyptic number.

It is an amenable number.

11646145 is a deficient number, since it is larger than the sum of its proper divisors (5449535).

11646145 is a wasteful number, since it uses less digits than its factorization.

11646145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its digits is 2880, while the sum is 28.

The square root of 11646145 is about 3412.6448687199. The cubic root of 11646145 is about 226.6700102832.

The spelling of 11646145 in words is "eleven million, six hundred forty-six thousand, one hundred forty-five".