115530045 has 32 divisors (see below), whose sum is σ = 197209728. Its totient is φ = 57550848.

The previous prime is 115530017. The next prime is 115530049. The reversal of 115530045 is 540035511.

It is not a de Polignac number, because 115530045 - 2⁷ = 115529917 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115529997 and 115530024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115530049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33282 + ... + 36588.

It is an arithmetic number, because the mean of its divisors is an integer number (6162804).

Almost surely, 2^115530045 is an apocalyptic number.

115530045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115530045 is a deficient number, since it is larger than the sum of its proper divisors (81679683).

115530045 is a wasteful number, since it uses less digits than its factorization.

115530045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 115530045 is about 10748.4903591156. The cubic root of 115530045 is about 487.0403925980.

Adding to 115530045 its reverse (540035511), we get a palindrome (655565556).

The spelling of 115530045 in words is "one hundred fifteen million, five hundred thirty thousand, forty-five".