16000143 has 8 divisors (see below), whose sum is σ = 21442608. Its totient is φ = 10612224.

The previous prime is 16000133. The next prime is 16000183. The reversal of 16000143 is 34100061.

16000143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16000143 - 2⁶ = 16000079 is a prime.

16000143 is a modest number, since divided by 143 gives 16 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12946 + ... + 14127.

It is an arithmetic number, because the mean of its divisors is an integer number (2680326).

Almost surely, 2^16000143 is an apocalyptic number.

16000143 is a deficient number, since it is larger than the sum of its proper divisors (5442465).

16000143 is a wasteful number, since it uses less digits than its factorization.

16000143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27273.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 16000143 is about 4000.0178749601. The cubic root of 16000143 is about 251.9849606797.

The spelling of 16000143 in words is "sixteen million, one hundred forty-three", and thus it is an aban number.