42548 has 12 divisors (see below), whose sum is σ = 81312. Its totient is φ = 19320.

The previous prime is 42533. The next prime is 42557. The reversal of 42548 is 84524.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42548.

It is an unprimeable number.

42548 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440 + ... + 527.

It is an arithmetic number, because the mean of its divisors is an integer number (6776).

2⁴²⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

42548 is a deficient number, since it is larger than the sum of its proper divisors (38764).

42548 is a wasteful number, since it uses less digits than its factorization.

42548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 980 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 42548 is about 206.2716655287. The cubic root of 42548 is about 34.9107932343.

It can be divided in two parts, 4 and 2548, that added together give a palindrome (2552).

The spelling of 42548 in words is "forty-two thousand, five hundred forty-eight".