42171548 has 12 divisors (see below), whose sum is σ = 75051480. Its totient is φ = 20728272.

The previous prime is 42171541. The next prime is 42171551. The reversal of 42171548 is 84517124.

It is a happy number.

42171548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42171541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89111 + ... + 89582.

It is an arithmetic number, because the mean of its divisors is an integer number (6254290).

Almost surely, 2^42171548 is an apocalyptic number.

It is an amenable number.

42171548 is a deficient number, since it is larger than the sum of its proper divisors (32879932).

42171548 is a wasteful number, since it uses less digits than its factorization.

42171548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178756 (or 178754 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 42171548 is about 6493.9624267469. The cubic root of 42171548 is about 348.0752798783.

The spelling of 42171548 in words is "forty-two million, one hundred seventy-one thousand, five hundred forty-eight".