115547472 has 120 divisors (see below), whose sum is σ = 339603264. Its totient is φ = 38029824.

The previous prime is 115547461. The next prime is 115547489. The reversal of 115547472 is 274745511.

115547472 is a `hidden beast` number, since 115 + 5 + 474 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 439213 + ... + 439475.

Almost surely, 2^115547472 is an apocalyptic number.

115547472 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 115547472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169801632).

115547472 is an abundant number, since it is smaller than the sum of its proper divisors (224055792).

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

115547472 is a wasteful number, since it uses less digits than its factorization.

115547472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 381 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 115547472 is about 10749.3010005302. The cubic root of 115547472 is about 487.0648803873.

The spelling of 115547472 in words is "one hundred fifteen million, five hundred forty-seven thousand, four hundred seventy-two".