16005142 has 8 divisors (see below), whose sum is σ = 24050376. Its totient is φ = 7988352.

The previous prime is 16005131. The next prime is 16005151. The reversal of 16005142 is 24150061.

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

It is a congruent number.

It is an unprimeable number.

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, 5643 + ... + 7990.

It is an arithmetic number, because the mean of its divisors is an integer number (3006297).

Almost surely, 2^16005142 is an apocalyptic number.

16005142 is a deficient number, since it is larger than the sum of its proper divisors (8045234).

16005142 is a wasteful number, since it uses less digits than its factorization.

16005142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14222.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 16005142 is about 4000.6426983674. The cubic root of 16005142 is about 252.0112008963.

The spelling of 16005142 in words is "sixteen million, five thousand, one hundred forty-two".