16143044 has 6 divisors (see below), whose sum is σ = 28250334. Its totient is φ = 8071520.

The previous prime is 16143041. The next prime is 16143059. The reversal of 16143044 is 44034161.

16143044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11303044 + 4840000 = 3362^2 + 2200^2 .

It is not an unprimeable number, because it can be changed into a prime (16143041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2017877 + ... + 2017884.

It is an arithmetic number, because the mean of its divisors is an integer number (4708389).

Almost surely, 2^16143044 is an apocalyptic number.

It is an amenable number.

16143044 is a deficient number, since it is larger than the sum of its proper divisors (12107290).

16143044 is a wasteful number, since it uses less digits than its factorization.

16143044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035765 (or 4035763 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 16143044 is about 4017.8407136172. The cubic root of 16143044 is about 252.7329171268.

The spelling of 16143044 in words is "sixteen million, one hundred forty-three thousand, forty-four".