11145729 has 16 divisors (see below), whose sum is σ = 17380352. Its totient is φ = 6220368.

The previous prime is 11145707. The next prime is 11145751. The reversal of 11145729 is 92754111.

It is an interprime number because it is at equal distance from previous prime (11145707) and next prime (11145751).

It is not a de Polignac number, because 11145729 - 2⁵ = 11145697 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11145696 and 11145705.

It is not an unprimeable number, because it can be changed into a prime (11145779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5269 + ... + 7074.

It is an arithmetic number, because the mean of its divisors is an integer number (1086272).

Almost surely, 2^11145729 is an apocalyptic number.

It is an amenable number.

11145729 is a deficient number, since it is larger than the sum of its proper divisors (6234623).

11145729 is a wasteful number, since it uses less digits than its factorization.

11145729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12396.

The product of its digits is 2520, while the sum is 30.

The square root of 11145729 is about 3338.5219783611. The cubic root of 11145729 is about 223.3758199904.

The spelling of 11145729 in words is "eleven million, one hundred forty-five thousand, seven hundred twenty-nine".