11145147 has 8 divisors (see below), whose sum is σ = 16003344. Its totient is φ = 6858528.

The previous prime is 11145143. The next prime is 11145161. The reversal of 11145147 is 74154111.

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

It is not a de Polignac number, because 11145147 - 2² = 11145143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11145143) 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, 142848 + ... + 142925.

It is an arithmetic number, because the mean of its divisors is an integer number (2000418).

Almost surely, 2^11145147 is an apocalyptic number.

11145147 is a deficient number, since it is larger than the sum of its proper divisors (4858197).

11145147 is a wasteful number, since it uses less digits than its factorization.

11145147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285789.

The product of its digits is 560, while the sum is 24.

The square root of 11145147 is about 3338.4348129026. The cubic root of 11145147 is about 223.3719318945.

Adding to 11145147 its reverse (74154111), we get a palindrome (85299258).

The spelling of 11145147 in words is "eleven million, one hundred forty-five thousand, one hundred forty-seven".