11224145 has 8 divisors (see below), whose sum is σ = 13534080. Its totient is φ = 8935920.

The previous prime is 11224141. The next prime is 11224159. The reversal of 11224145 is 54142211.

It is a happy number.

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

It is not a de Polignac number, because 11224145 - 2² = 11224141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11224141) 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, 4265 + ... + 6374.

It is an arithmetic number, because the mean of its divisors is an integer number (1691760).

Almost surely, 2^11224145 is an apocalyptic number.

It is an amenable number.

11224145 is a deficient number, since it is larger than the sum of its proper divisors (2309935).

11224145 is a wasteful number, since it uses less digits than its factorization.

11224145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10855.

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

The square root of 11224145 is about 3350.2455133915. The cubic root of 11224145 is about 223.8984512601.

Adding to 11224145 its reverse (54142211), we get a palindrome (65366356).

The spelling of 11224145 in words is "eleven million, two hundred twenty-four thousand, one hundred forty-five".