17442142 has 8 divisors (see below), whose sum is σ = 27300816. Its totient is φ = 8341872.

The previous prime is 17442127. The next prime is 17442143. The reversal of 17442142 is 24124471.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17442143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189543 + ... + 189634.

It is an arithmetic number, because the mean of its divisors is an integer number (3412602).

Almost surely, 2^17442142 is an apocalyptic number.

17442142 is a deficient number, since it is larger than the sum of its proper divisors (9858674).

17442142 is a wasteful number, since it uses less digits than its factorization.

17442142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379202.

The product of its digits is 1792, while the sum is 25.

The square root of 17442142 is about 4176.3790536780. The cubic root of 17442142 is about 259.3382679294.

The spelling of 17442142 in words is "seventeen million, four hundred forty-two thousand, one hundred forty-two".