115444224 has 160 divisors (see below), whose sum is σ = 390867840. Its totient is φ = 32956416.

The previous prime is 115444223. The next prime is 115444253. The reversal of 115444224 is 422444511.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (115444223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96172 + ... + 97364.

It is an arithmetic number, because the mean of its divisors is an integer number (2442924).

Almost surely, 2^115444224 is an apocalyptic number.

115444224 is a gapful number since it is divisible by the number (14) 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 115444224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195433920).

115444224 is an abundant number, since it is smaller than the sum of its proper divisors (275423616).

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

115444224 is an equidigital number, since it uses as much as digits as its factorization.

115444224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 1205 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 115444224 is about 10744.4973823814. The cubic root of 115444224 is about 486.9197640991.

Adding to 115444224 its reverse (422444511), we get a palindrome (537888735).

The spelling of 115444224 in words is "one hundred fifteen million, four hundred forty-four thousand, two hundred twenty-four".