116143489 has 16 divisors (see below), whose sum is σ = 145042560. Its totient is φ = 90351360.

The previous prime is 116143459. The next prime is 116143493. The reversal of 116143489 is 984341611.

It is not a de Polignac number, because 116143489 - 2⁹ = 116142977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116143429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77257 + ... + 78745.

It is an arithmetic number, because the mean of its divisors is an integer number (9065160).

Almost surely, 2^116143489 is an apocalyptic number.

It is an amenable number.

116143489 is a deficient number, since it is larger than the sum of its proper divisors (28899071).

116143489 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (116143488) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (2520).

116143489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520.

The product of its digits is 20736, while the sum is 37.

The square root of 116143489 is about 10776.9888651701. The cubic root of 116143489 is about 487.9009039691.

The spelling of 116143489 in words is "one hundred sixteen million, one hundred forty-three thousand, four hundred eighty-nine".