11445539 has 8 divisors (see below), whose sum is σ = 13850208. Its totient is φ = 9233280.

The previous prime is 11445529. The next prime is 11445557. The reversal of 11445539 is 93554411.

11445539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11445539 - 2⁴ = 11445523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11445529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47972 + ... + 48209.

It is an arithmetic number, because the mean of its divisors is an integer number (1731276).

Almost surely, 2^11445539 is an apocalyptic number.

11445539 is a deficient number, since it is larger than the sum of its proper divisors (2404669).

11445539 is an equidigital number, since it uses as much as digits as its factorization.

11445539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96205.

The product of its digits is 10800, while the sum is 32.

The square root of 11445539 is about 3383.1256258082. The cubic root of 11445539 is about 225.3609941671.

The spelling of 11445539 in words is "eleven million, four hundred forty-five thousand, five hundred thirty-nine".