116945489 has 12 divisors (see below), whose sum is σ = 121636908. Its totient is φ = 112412160.

The previous prime is 116945471. The next prime is 116945497. The reversal of 116945489 is 984549611.

It can be written as a sum of positive squares in 6 ways, for example, as 34281025 + 82664464 = 5855^2 + 9092^2 .

It is not a de Polignac number, because 116945489 - 2⁸ = 116945233 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 (116945089) 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, 122237 + ... + 123189.

It is an arithmetic number, because the mean of its divisors is an integer number (10136409).

Almost surely, 2^116945489 is an apocalyptic number.

It is an amenable number.

116945489 is a deficient number, since it is larger than the sum of its proper divisors (4691419).

116945489 is an frugal number, since it uses more digits than its factorization.

116945489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108 (or 1067 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The square root of 116945489 is about 10814.1337609630. The cubic root of 116945489 is about 489.0213550615.

The spelling of 116945489 in words is "one hundred sixteen million, nine hundred forty-five thousand, four hundred eighty-nine".