115275428 has 6 divisors (see below), whose sum is σ = 201732006. Its totient is φ = 57637712.

The previous prime is 115275401. The next prime is 115275533. The reversal of 115275428 is 824572511.

It can be written as a sum of positive squares in only one way, i.e., 66945124 + 48330304 = 8182^2 + 6952^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14409425 + ... + 14409432.

It is an arithmetic number, because the mean of its divisors is an integer number (33622001).

Almost surely, 2^115275428 is an apocalyptic number.

It is an amenable number.

115275428 is a deficient number, since it is larger than the sum of its proper divisors (86456578).

115275428 is a wasteful number, since it uses less digits than its factorization.

115275428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28818861 (or 28818859 counting only the distinct ones).

The product of its digits is 22400, while the sum is 35.

The square root of 115275428 is about 10736.6395115045. The cubic root of 115275428 is about 486.6823328499.

The spelling of 115275428 in words is "one hundred fifteen million, two hundred seventy-five thousand, four hundred twenty-eight".