11445665 has 48 divisors (see below), whose sum is σ = 18123264. Its totient is φ = 6854400.

The previous prime is 11445661. The next prime is 11445671. The reversal of 11445665 is 56654411.

11445665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11445665 - 2² = 11445661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11445661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83477 + ... + 83613.

It is an arithmetic number, because the mean of its divisors is an integer number (377568).

Almost surely, 2^11445665 is an apocalyptic number.

It is an amenable number.

11445665 is a deficient number, since it is larger than the sum of its proper divisors (6677599).

11445665 is a wasteful number, since it uses less digits than its factorization.

11445665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 191 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 11445665 is about 3383.1442475898. The cubic root of 11445665 is about 225.3618211379.

The spelling of 11445665 in words is "eleven million, four hundred forty-five thousand, six hundred sixty-five".