16042342 has 4 divisors (see below), whose sum is σ = 24063516. Its totient is φ = 8021170.

The previous prime is 16042337. The next prime is 16042343. The reversal of 16042342 is 24324061.

It is a happy number.

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

It is a Smith number, since the sum of its digits (22) 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 not an unprimeable number, because it can be changed into a prime (16042343) 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 as a sum of consecutive naturals, namely, 4010584 + ... + 4010587.

It is an arithmetic number, because the mean of its divisors is an integer number (6015879).

Almost surely, 2^16042342 is an apocalyptic number.

16042342 is a deficient number, since it is larger than the sum of its proper divisors (8021174).

16042342 is an equidigital number, since it uses as much as digits as its factorization.

16042342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8021173.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 16042342 is about 4005.2892529754. The cubic root of 16042342 is about 252.2062957578.

It can be divided in two parts, 16042 and 342, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 16042342 in words is "sixteen million, forty-two thousand, three hundred forty-two".