115443072 has 96 divisors (see below), whose sum is σ = 346722480. Its totient is φ = 36799488.

The previous prime is 115443047. The next prime is 115443079. The reversal of 115443072 is 270344511.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115443079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24318 + ... + 28674.

Almost surely, 2^115443072 is an apocalyptic number.

115443072 is a gapful number since it is divisible by the number (12) 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 115443072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173361240).

115443072 is an abundant number, since it is smaller than the sum of its proper divisors (231279408).

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

115443072 is a wasteful number, since it uses less digits than its factorization.

115443072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400 (or 4385 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 115443072 is about 10744.4437734114. The cubic root of 115443072 is about 486.9181444615.

Adding to 115443072 its reverse (270344511), we get a palindrome (385787583).

The spelling of 115443072 in words is "one hundred fifteen million, four hundred forty-three thousand, seventy-two".