16042144 has 12 divisors (see below), whose sum is σ = 31583034. Its totient is φ = 8021056.

The previous prime is 16042141. The next prime is 16042177. The reversal of 16042144 is 44124061.

It can be written as a sum of positive squares in only one way, i.e., 12873744 + 3168400 = 3588^2 + 1780^2 .

It is not an unprimeable number, because it can be changed into a prime (16042141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250627 + ... + 250690.

Almost surely, 2^16042144 is an apocalyptic number.

It is an amenable number.

16042144 is a deficient number, since it is larger than the sum of its proper divisors (15540890).

16042144 is an equidigital number, since it uses as much as digits as its factorization.

16042144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501327 (or 501319 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 16042144 is about 4005.2645355831. The cubic root of 16042144 is about 252.2052581485.

The spelling of 16042144 in words is "sixteen million, forty-two thousand, one hundred forty-four".