24459142 has 4 divisors (see below), whose sum is σ = 36688716. Its totient is φ = 12229570.

The previous prime is 24459139. The next prime is 24459157. The reversal of 24459142 is 24195442.

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

It is a Smith number, since the sum of its digits (31) 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.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6114784 + ... + 6114787.

It is an arithmetic number, because the mean of its divisors is an integer number (9172179).

Almost surely, 2^24459142 is an apocalyptic number.

24459142 is a deficient number, since it is larger than the sum of its proper divisors (12229574).

24459142 is a wasteful number, since it uses less digits than its factorization.

24459142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12229573.

The product of its digits is 11520, while the sum is 31.

The square root of 24459142 is about 4945.6184648636. The cubic root of 24459142 is about 290.2777442139.

The spelling of 24459142 in words is "twenty-four million, four hundred fifty-nine thousand, one hundred forty-two".