115971443 has 8 divisors (see below), whose sum is σ = 132917088. Its totient is φ = 99120384.

The previous prime is 115971437. The next prime is 115971461. The reversal of 115971443 is 344179511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115971443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115971413) 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, 20996 + ... + 25937.

It is an arithmetic number, because the mean of its divisors is an integer number (16614636).

Almost surely, 2^115971443 is an apocalyptic number.

115971443 is a deficient number, since it is larger than the sum of its proper divisors (16945645).

115971443 is an equidigital number, since it uses as much as digits as its factorization.

115971443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47293.

The product of its digits is 15120, while the sum is 35.

The square root of 115971443 is about 10769.0038072238. The cubic root of 115971443 is about 487.6598720011.

The spelling of 115971443 in words is "one hundred fifteen million, nine hundred seventy-one thousand, four hundred forty-three".