115433216 has 36 divisors (see below), whose sum is σ = 231495264. Its totient is φ = 57446400.

The previous prime is 115433209. The next prime is 115433231. The reversal of 115433216 is 612334511.

It is a super-2 number, since 2×115433216² = 26649654712205312, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60761 + ... + 62631.

It is an arithmetic number, because the mean of its divisors is an integer number (6430424).

Almost surely, 2^115433216 is an apocalyptic number.

115433216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115433216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115747632).

115433216 is an abundant number, since it is smaller than the sum of its proper divisors (116062048).

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

115433216 is an equidigital number, since it uses as much as digits as its factorization.

115433216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128 (or 2114 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 115433216 is about 10743.9851079569. The cubic root of 115433216 is about 486.9042871212.

Adding to 115433216 its reverse (612334511), we get a palindrome (727767727).

The spelling of 115433216 in words is "one hundred fifteen million, four hundred thirty-three thousand, two hundred sixteen".