11643045 has 16 divisors (see below), whose sum is σ = 19725120. Its totient is φ = 5844224.

The previous prime is 11643041. The next prime is 11643089. The reversal of 11643045 is 54034611.

It is a cyclic number.

It is not a de Polignac number, because 11643045 - 2² = 11643041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11643041) 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 15 ways as a sum of consecutive naturals, for example, 22575 + ... + 23084.

It is an arithmetic number, because the mean of its divisors is an integer number (1232820).

Almost surely, 2^11643045 is an apocalyptic number.

11643045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11643045 is a deficient number, since it is larger than the sum of its proper divisors (8082075).

11643045 is a wasteful number, since it uses less digits than its factorization.

11643045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45684.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 11643045 is about 3412.1906453186. The cubic root of 11643045 is about 226.6498966351.

Adding to 11643045 its reverse (54034611), we get a palindrome (65677656).

The spelling of 11643045 in words is "eleven million, six hundred forty-three thousand, forty-five".