24002142 has 8 divisors (see below), whose sum is σ = 48004296. Its totient is φ = 8000712.

The previous prime is 24002141. The next prime is 24002161. The reversal of 24002142 is 24120042.

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

24002142 is an admirable number.

It is a super-2 number, since 2×24002142² = 1152205641176328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24002141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000173 + ... + 2000184.

It is an arithmetic number, because the mean of its divisors is an integer number (6000537).

Almost surely, 2^24002142 is an apocalyptic number.

24002142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24002142 is a wasteful number, since it uses less digits than its factorization.

24002142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000362.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 24002142 is about 4899.1980976482. The cubic root of 24002142 is about 288.4584951911.

Adding to 24002142 its reverse (24120042), we get a palindrome (48122184).

The spelling of 24002142 in words is "twenty-four million, two thousand, one hundred forty-two".