115530345 has 48 divisors (see below), whose sum is σ = 236770560. Its totient is φ = 50988672.

The previous prime is 115530323. The next prime is 115530347. The reversal of 115530345 is 543035511.

It is not a de Polignac number, because 115530345 - 2¹⁰ = 115529321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115530347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2812 + ... + 15458.

It is an arithmetic number, because the mean of its divisors is an integer number (4932720).

Almost surely, 2^115530345 is an apocalyptic number.

115530345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115530345 is an abundant number, since it is smaller than the sum of its proper divisors (121240215).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115530345 is a wasteful number, since it uses less digits than its factorization.

115530345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12694 (or 12691 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 115530345 is about 10748.5043145547. The cubic root of 115530345 is about 487.0408141680.

Adding to 115530345 its reverse (543035511), we get a palindrome (658565856).

The spelling of 115530345 in words is "one hundred fifteen million, five hundred thirty thousand, three hundred forty-five".