115300043 has 4 divisors (see below), whose sum is σ = 116180328. Its totient is φ = 114419760.

The previous prime is 115300039. The next prime is 115300061. The reversal of 115300043 is 340003511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115300043 - 2² = 115300039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115299994 and 115300030.

It is not an unprimeable number, because it can be changed into a prime (115300033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439946 + ... + 440207.

It is an arithmetic number, because the mean of its divisors is an integer number (29045082).

Almost surely, 2^115300043 is an apocalyptic number.

115300043 is a deficient number, since it is larger than the sum of its proper divisors (880285).

115300043 is an equidigital number, since it uses as much as digits as its factorization.

115300043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880284.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 115300043 is about 10737.7857587121. The cubic root of 115300043 is about 486.7169711454.

Adding to 115300043 its reverse (340003511), we get a palindrome (455303554).

The spelling of 115300043 in words is "one hundred fifteen million, three hundred thousand, forty-three".