115473520 has 80 divisors (see below), whose sum is σ = 286374528. Its totient is φ = 43151360.

The previous prime is 115473509. The next prime is 115473539. The reversal of 115473520 is 25374511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267705 + ... + 268135.

Almost surely, 2^115473520 is an apocalyptic number.

115473520 is a gapful number since it is divisible by the number (10) 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 115473520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143187264).

115473520 is an abundant number, since it is smaller than the sum of its proper divisors (170901008).

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

115473520 is a wasteful number, since it uses less digits than its factorization.

115473520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 115473520 is about 10745.8605983886. The cubic root of 115473520 is about 486.9609487637.

Subtracting from 115473520 its reverse (25374511), we obtain a palindrome (90099009).

The spelling of 115473520 in words is "one hundred fifteen million, four hundred seventy-three thousand, five hundred twenty".