11225145 has 8 divisors (see below), whose sum is σ = 17960256. Its totient is φ = 5986736.

The previous prime is 11225129. The next prime is 11225161. The reversal of 11225145 is 54152211.

It is an interprime number because it is at equal distance from previous prime (11225129) and next prime (11225161).

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 11225145 - 2⁴ = 11225129 is a prime.

It is a Curzon 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, 374157 + ... + 374186.

It is an arithmetic number, because the mean of its divisors is an integer number (2245032).

Almost surely, 2^11225145 is an apocalyptic number.

11225145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11225145 is a deficient number, since it is larger than the sum of its proper divisors (6735111).

11225145 is an equidigital number, since it uses as much as digits as its factorization.

11225145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748351.

The product of its digits is 400, while the sum is 21.

The square root of 11225145 is about 3350.3947528612. The cubic root of 11225145 is about 223.9051003724.

Adding to 11225145 its reverse (54152211), we get a palindrome (65377356).

The spelling of 11225145 in words is "eleven million, two hundred twenty-five thousand, one hundred forty-five".