115546420 has 48 divisors (see below), whose sum is σ = 265845888. Its totient is φ = 41836160.

The previous prime is 115546381. The next prime is 115546421. The reversal of 115546420 is 24645511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115546421) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 56862 + ... + 58858.

It is an arithmetic number, because the mean of its divisors is an integer number (5538456).

Almost surely, 2^115546420 is an apocalyptic number.

115546420 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 115546420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132922944).

115546420 is an abundant number, since it is smaller than the sum of its proper divisors (150299468).

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

115546420 is a wasteful number, since it uses less digits than its factorization.

115546420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280 (or 2278 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 115546420 is about 10749.2520670045. The cubic root of 115546420 is about 487.0634022248.

Subtracting from 115546420 its reverse (24645511), we obtain a palindrome (90900909).

It can be divided in two parts, 115 and 546420, that added together give a triangular number (546535 = T₁₀₄₅).

The spelling of 115546420 in words is "one hundred fifteen million, five hundred forty-six thousand, four hundred twenty".