115228345 has 4 divisors (see below), whose sum is σ = 138274020. Its totient is φ = 92182672.

The previous prime is 115228343. The next prime is 115228361. The reversal of 115228345 is 543822511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543822511 = 23 ⋅23644457.

It can be written as a sum of positive squares in 2 ways, for example, as 38700841 + 76527504 = 6221^2 + 8748^2 .

It is a cyclic number.

It is not a de Polignac number, because 115228345 - 2¹ = 115228343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115228343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11522830 + ... + 11522839.

It is an arithmetic number, because the mean of its divisors is an integer number (34568505).

Almost surely, 2^115228345 is an apocalyptic number.

It is an amenable number.

115228345 is a deficient number, since it is larger than the sum of its proper divisors (23045675).

115228345 is an equidigital number, since it uses as much as digits as its factorization.

115228345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23045674.

The product of its digits is 9600, while the sum is 31.

The square root of 115228345 is about 10734.4466555105. The cubic root of 115228345 is about 486.6160637843.

The spelling of 115228345 in words is "one hundred fifteen million, two hundred twenty-eight thousand, three hundred forty-five".