16115143 has 6 divisors (see below), whose sum is σ = 17713472. Its totient is φ = 14650020.

The previous prime is 16115137. The next prime is 16115147. The reversal of 16115143 is 34151161.

It is a de Polignac number, because none of the positive numbers 2^k-16115143 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 (16115147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66471 + ... + 66712.

Almost surely, 2^16115143 is an apocalyptic number.

16115143 is a deficient number, since it is larger than the sum of its proper divisors (1598329).

16115143 is a wasteful number, since it uses less digits than its factorization.

16115143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133205 (or 133194 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 16115143 is about 4014.3670734002. The cubic root of 16115143 is about 252.5872286280.

The spelling of 16115143 in words is "sixteen million, one hundred fifteen thousand, one hundred forty-three".