115533430 has 16 divisors (see below), whose sum is σ = 209008800. Its totient is φ = 45980352.

The previous prime is 115533421. The next prime is 115533437. The reversal of 115533430 is 34335511.

It is a junction number, because it is equal to n+sod(n) for n = 115533395 and 115533404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115533437) 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, 27039 + ... + 31018.

It is an arithmetic number, because the mean of its divisors is an integer number (13063050).

Almost surely, 2^115533430 is an apocalyptic number.

115533430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115533430 is a deficient number, since it is larger than the sum of its proper divisors (93475370).

115533430 is a wasteful number, since it uses less digits than its factorization.

115533430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58263.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 115533430 is about 10748.6478219356. The cubic root of 115533430 is about 487.0451492701.

Adding to 115533430 its reverse (34335511), we get a palindrome (149868941).

The spelling of 115533430 in words is "one hundred fifteen million, five hundred thirty-three thousand, four hundred thirty".