115453220 has 12 divisors (see below), whose sum is σ = 242451804. Its totient is φ = 46181280.

The previous prime is 115453213. The next prime is 115453243. The reversal of 115453220 is 22354511.

It can be written as a sum of positive squares in 2 ways, for example, as 23600164 + 91853056 = 4858^2 + 9584^2 .

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 3 ways as a sum of consecutive naturals, for example, 2886311 + ... + 2886350.

It is an arithmetic number, because the mean of its divisors is an integer number (20204317).

Almost surely, 2^115453220 is an apocalyptic number.

115453220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115453220 is an abundant number, since it is smaller than the sum of its proper divisors (126998584).

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

115453220 is a wasteful number, since it uses less digits than its factorization.

115453220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772670 (or 5772668 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 115453220 is about 10744.9160071170. The cubic root of 115453220 is about 486.9324115239.

The spelling of 115453220 in words is "one hundred fifteen million, four hundred fifty-three thousand, two hundred twenty".