24342157 has 8 divisors (see below), whose sum is σ = 28155456. Its totient is φ = 20612832.

The previous prime is 24342133. The next prime is 24342221. The reversal of 24342157 is 75124342.

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

It is a cyclic number.

It is not a de Polignac number, because 24342157 - 2¹⁹ = 23817869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24342127) 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, 20368 + ... + 21529.

It is an arithmetic number, because the mean of its divisors is an integer number (3519432).

Almost surely, 2^24342157 is an apocalyptic number.

It is an amenable number.

24342157 is a deficient number, since it is larger than the sum of its proper divisors (3813299).

24342157 is an equidigital number, since it uses as much as digits as its factorization.

24342157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41987.

The product of its digits is 6720, while the sum is 28.

The square root of 24342157 is about 4933.7771534596. Note that the first 3 decimals coincide. The cubic root of 24342157 is about 289.8142171150.

Adding to 24342157 its reverse (75124342), we get a palindrome (99466499).

The spelling of 24342157 in words is "twenty-four million, three hundred forty-two thousand, one hundred fifty-seven".