11404145 has 8 divisors (see below), whose sum is σ = 13714920. Its totient is φ = 9103360.

The previous prime is 11404139. The next prime is 11404171. The reversal of 11404145 is 54140411.

It can be written as a sum of positive squares in 4 ways, for example, as 4092529 + 7311616 = 2023^2 + 2704^2 .

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

It is not a de Polignac number, because 11404145 - 2²² = 7209841 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 305 + ... + 4785.

It is an arithmetic number, because the mean of its divisors is an integer number (1714365).

Almost surely, 2^11404145 is an apocalyptic number.

It is an amenable number.

11404145 is a deficient number, since it is larger than the sum of its proper divisors (2310775).

11404145 is an equidigital number, since it uses as much as digits as its factorization.

11404145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4995.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 11404145 is about 3377.0023689657. The cubic root of 11404145 is about 225.0889853786.

Adding to 11404145 its reverse (54140411), we get a palindrome (65544556).

The spelling of 11404145 in words is "eleven million, four hundred four thousand, one hundred forty-five".