24142 has 4 divisors (see below), whose sum is σ = 36216. Its totient is φ = 12070.

The previous prime is 24137. The next prime is 24151.

24142 is nontrivially palindromic in base 10.

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

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

24142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6034 + ... + 6037.

It is an arithmetic number, because the mean of its divisors is an integer number (9054).

2^{24142} is an apocalyptic number.

24142 is a deficient number, since it is larger than the sum of its proper divisors (12074).

24142 is a wasteful number, since it uses less digits than its factorization.

24142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12073.

The product of its digits is 64, while the sum is 13.

The square root of 24142 is about 155.3769609691. The cubic root of 24142 is about 28.9017683093.

The spelling of 24142 in words is "twenty-four thousand, one hundred forty-two", and thus it is an iban number.

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