1152311345 has 8 divisors (see below), whose sum is σ = 1385926080. Its totient is φ = 919747440.

The previous prime is 1152311311. The next prime is 1152311353. The reversal of 1152311345 is 5431132511.

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

It is not a de Polignac number, because 1152311345 - 2⁸ = 1152311089 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 260291 + ... + 264680.

It is an arithmetic number, because the mean of its divisors is an integer number (173240760).

Almost surely, 2^1152311345 is an apocalyptic number.

It is an amenable number.

1152311345 is a deficient number, since it is larger than the sum of its proper divisors (233614735).

1152311345 is an equidigital number, since it uses as much as digits as its factorization.

1152311345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525415.

The product of its digits is 1800, while the sum is 26.

The square root of 1152311345 is about 33945.7117321172. The cubic root of 1152311345 is about 1048.3909883818.

Adding to 1152311345 its reverse (5431132511), we get a palindrome (6583443856).

The spelling of 1152311345 in words is "one billion, one hundred fifty-two million, three hundred eleven thousand, three hundred forty-five".