11145239 has 8 divisors (see below), whose sum is σ = 12773280. Its totient is φ = 9526176.

The previous prime is 11145223. The next prime is 11145247. The reversal of 11145239 is 93254111.

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

It is a cyclic number.

It is not a de Polignac number, because 11145239 - 2⁴ = 11145223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11145259) 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, 677 + ... + 4769.

It is an arithmetic number, because the mean of its divisors is an integer number (1596660).

Almost surely, 2^11145239 is an apocalyptic number.

11145239 is a deficient number, since it is larger than the sum of its proper divisors (1628041).

11145239 is an equidigital number, since it uses as much as digits as its factorization.

11145239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489.

The product of its digits is 1080, while the sum is 26.

The square root of 11145239 is about 3338.4485917863. The cubic root of 11145239 is about 223.3725465166.

The spelling of 11145239 in words is "eleven million, one hundred forty-five thousand, two hundred thirty-nine".