1115422345 has 4 divisors (see below), whose sum is σ = 1338506820. Its totient is φ = 892337872.

The previous prime is 1115422339. The next prime is 1115422349. The reversal of 1115422345 is 5432245111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 832207104 + 283215241 = 28848^2 + 16829^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115422345 - 2¹¹ = 1115420297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1115422349) 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, 111542230 + ... + 111542239.

It is an arithmetic number, because the mean of its divisors is an integer number (334626705).

Almost surely, 2^1115422345 is an apocalyptic number.

It is an amenable number.

1115422345 is a deficient number, since it is larger than the sum of its proper divisors (223084475).

1115422345 is an equidigital number, since it uses as much as digits as its factorization.

1115422345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223084474.

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

The square root of 1115422345 is about 33397.9392328329. The cubic root of 1115422345 is about 1037.0820403850.

Adding to 1115422345 its reverse (5432245111), we get a palindrome (6547667456).

The spelling of 1115422345 in words is "one billion, one hundred fifteen million, four hundred twenty-two thousand, three hundred forty-five".