11424145 has 8 divisors (see below), whose sum is σ = 13735656. Its totient is φ = 9121536.

The previous prime is 11424137. The next prime is 11424209. The reversal of 11424145 is 54142411.

It can be written as a sum of positive squares in 4 ways, for example, as 5013121 + 6411024 = 2239^2 + 2532^2 .

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 11424145 - 2³ = 11424137 is a prime.

It is a super-2 number, since 2×11424145² = 261022177962050, which contains 22 as substring.

It is a Duffinian number.

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, 1039 + ... + 4891.

It is an arithmetic number, because the mean of its divisors is an integer number (1716957).

Almost surely, 2^11424145 is an apocalyptic number.

It is an amenable number.

11424145 is a deficient number, since it is larger than the sum of its proper divisors (2311511).

11424145 is an equidigital number, since it uses as much as digits as its factorization.

11424145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451.

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

The square root of 11424145 is about 3379.9622778960. The cubic root of 11424145 is about 225.2204916747.

Adding to 11424145 its reverse (54142411), we get a palindrome (65566556).

The spelling of 11424145 in words is "eleven million, four hundred twenty-four thousand, one hundred forty-five".