11145424 has 20 divisors (see below), whose sum is σ = 21807136. Its totient is φ = 5517792.

The previous prime is 11145401. The next prime is 11145443. The reversal of 11145424 is 42454111.

It is a super-2 number, since 2×11145424² = 248440952279552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11145395 and 11145404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1734 + ... + 5029.

Almost surely, 2^11145424 is an apocalyptic number.

It is an amenable number.

11145424 is a deficient number, since it is larger than the sum of its proper divisors (10661712).

11145424 is a wasteful number, since it uses less digits than its factorization.

11145424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874 (or 6868 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 11145424 is about 3338.4762991521. The cubic root of 11145424 is about 223.3737824313.

Adding to 11145424 its reverse (42454111), we get a palindrome (53599535).

The spelling of 11145424 in words is "eleven million, one hundred forty-five thousand, four hundred twenty-four".