24142243 has 4 divisors (see below), whose sum is σ = 24166648. Its totient is φ = 24117840.

The previous prime is 24142231. The next prime is 24142247. The reversal of 24142243 is 34224142.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 24142243 - 2⁹ = 24141731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24142247) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10653 + ... + 12718.

It is an arithmetic number, because the mean of its divisors is an integer number (6041662).

Almost surely, 2^24142243 is an apocalyptic number.

24142243 is a deficient number, since it is larger than the sum of its proper divisors (24405).

24142243 is a wasteful number, since it uses less digits than its factorization.

24142243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24404.

The product of its digits is 1536, while the sum is 22.

The square root of 24142243 is about 4913.4756537506. The cubic root of 24142243 is about 289.0186527873.

Adding to 24142243 its reverse (34224142), we get a palindrome (58366385).

The spelling of 24142243 in words is "twenty-four million, one hundred forty-two thousand, two hundred forty-three".