11814145 has 12 divisors (see below), whose sum is σ = 16491924. Its totient is φ = 8100960.

The previous prime is 11814139. The next prime is 11814149. The reversal of 11814145 is 54141811.

It can be written as a sum of positive squares in 2 ways, for example, as 1979649 + 9834496 = 1407^2 + 3136^2 .

It is not a de Polignac number, because 11814145 - 2⁵ = 11814113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11814149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23866 + ... + 24355.

It is an arithmetic number, because the mean of its divisors is an integer number (1374327).

Almost surely, 2^11814145 is an apocalyptic number.

It is an amenable number.

11814145 is a deficient number, since it is larger than the sum of its proper divisors (4677779).

11814145 is an equidigital number, since it uses as much as digits as its factorization.

11814145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48240 (or 48233 counting only the distinct ones).

The product of its digits is 640, while the sum is 25.

The square root of 11814145 is about 3437.1710751721. The cubic root of 11814145 is about 227.7547442282.

Adding to 11814145 its reverse (54141811), we get a palindrome (65955956).

The spelling of 11814145 in words is "eleven million, eight hundred fourteen thousand, one hundred forty-five".