11313145 has 4 divisors (see below), whose sum is σ = 13575780. Its totient is φ = 9050512.

The previous prime is 11313139. The next prime is 11313173. The reversal of 11313145 is 54131311.

11313145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5103081 + 6210064 = 2259^2 + 2492^2 .

It is a cyclic number.

It is not a de Polignac number, because 11313145 - 2¹⁵ = 11280377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131310 + ... + 1131319.

It is an arithmetic number, because the mean of its divisors is an integer number (3393945).

Almost surely, 2^11313145 is an apocalyptic number.

It is an amenable number.

11313145 is a deficient number, since it is larger than the sum of its proper divisors (2262635).

11313145 is an equidigital number, since it uses as much as digits as its factorization.

11313145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262634.

The product of its digits is 180, while the sum is 19.

The square root of 11313145 is about 3363.5018953466. The cubic root of 11313145 is about 224.4886825213.

Adding to 11313145 its reverse (54131311), we get a palindrome (65444456).

The spelling of 11313145 in words is "eleven million, three hundred thirteen thousand, one hundred forty-five".