24243147 has 18 divisors (see below), whose sum is σ = 36196836. Its totient is φ = 15635160.

The previous prime is 24243137. The next prime is 24243151. The reversal of 24243147 is 74134242.

It is not a de Polignac number, because 24243147 - 2⁶ = 24243083 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 24243147.

It is not an unprimeable number, because it can be changed into a prime (24243137) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7248 + ... + 10050.

Almost surely, 2^24243147 is an apocalyptic number.

24243147 is a deficient number, since it is larger than the sum of its proper divisors (11953689).

24243147 is a wasteful number, since it uses less digits than its factorization.

24243147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871 (or 2837 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 24243147 is about 4923.7330350050. The cubic root of 24243147 is about 289.4207502299.

Adding to 24243147 its reverse (74134242), we get a palindrome (98377389).

The spelling of 24243147 in words is "twenty-four million, two hundred forty-three thousand, one hundred forty-seven".