11145404 has 24 divisors (see below), whose sum is σ = 20765808. Its totient is φ = 5216000.

The previous prime is 11145401. The next prime is 11145443. The reversal of 11145404 is 40454111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11145401) 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, 16742 + ... + 17394.

It is an arithmetic number, because the mean of its divisors is an integer number (865242).

Almost surely, 2^11145404 is an apocalyptic number.

It is an amenable number.

11145404 is a deficient number, since it is larger than the sum of its proper divisors (9620404).

11145404 is a wasteful number, since it uses less digits than its factorization.

11145404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 923 counting only the distinct ones).

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

The square root of 11145404 is about 3338.4733037722. The cubic root of 11145404 is about 223.3736488195.

Adding to 11145404 its reverse (40454111), we get a palindrome (51599515).

The spelling of 11145404 in words is "eleven million, one hundred forty-five thousand, four hundred four".