115343997 has 16 divisors (see below), whose sum is σ = 165602880. Its totient is φ = 71144192.

The previous prime is 115343993. The next prime is 115344023. The reversal of 115343997 is 799343511.

It is a cyclic number.

It is not a de Polignac number, because 115343997 - 2² = 115343993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115343993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16158 + ... + 22175.

It is an arithmetic number, because the mean of its divisors is an integer number (10350180).

Almost surely, 2^115343997 is an apocalyptic number.

115343997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

115343997 is a deficient number, since it is larger than the sum of its proper divisors (50258883).

115343997 is a wasteful number, since it uses less digits than its factorization.

115343997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38412.

The product of its digits is 102060, while the sum is 42.

The square root of 115343997 is about 10739.8322612599. The cubic root of 115343997 is about 486.7788110757.

It can be divided in two parts, 1153 and 43997, that added together give a triangular number (45150 = T₃₀₀).

The spelling of 115343997 in words is "one hundred fifteen million, three hundred forty-three thousand, nine hundred ninety-seven".