16012143 has 12 divisors (see below), whose sum is σ = 26432848. Its totient is φ = 9149760.

The previous prime is 16012121. The next prime is 16012153. The reversal of 16012143 is 34121061.

It is a happy number.

16012143 is a `hidden beast` number, since 1 + 601 + 21 + 43 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-16012143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16012153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127018 + ... + 127143.

Almost surely, 2^16012143 is an apocalyptic number.

16012143 is a deficient number, since it is larger than the sum of its proper divisors (10420705).

16012143 is a wasteful number, since it uses less digits than its factorization.

16012143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254174 (or 254171 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 16012143 is about 4001.5175871162. The cubic root of 16012143 is about 252.0479406146.

The spelling of 16012143 in words is "sixteen million, twelve thousand, one hundred forty-three".