1115320145 has 8 divisors (see below), whose sum is σ = 1338622656. Its totient is φ = 892097136.

The previous prime is 1115320133. The next prime is 1115320177. The reversal of 1115320145 is 5410235111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1115320145 - 2⁶ = 1115320081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1115320145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17324 + ... + 50306.

It is an arithmetic number, because the mean of its divisors is an integer number (167327832).

Almost surely, 2^1115320145 is an apocalyptic number.

It is an amenable number.

1115320145 is a deficient number, since it is larger than the sum of its proper divisors (223302511).

1115320145 is an equidigital number, since it uses as much as digits as its factorization.

1115320145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39751.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1115320145 is about 33396.4091632618. The cubic root of 1115320145 is about 1037.0503653810.

Adding to 1115320145 its reverse (5410235111), we get a palindrome (6525555256).

The spelling of 1115320145 in words is "one billion, one hundred fifteen million, three hundred twenty thousand, one hundred forty-five".