1153031345 has 4 divisors (see below), whose sum is σ = 1383637620. Its totient is φ = 922425072.

The previous prime is 1153031323. The next prime is 1153031353. The reversal of 1153031345 is 5431303511.

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 482065936 + 670965409 = 21956^2 + 25903^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153031345 - 2⁶ = 1153031281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115303130 + ... + 115303139.

It is an arithmetic number, because the mean of its divisors is an integer number (345909405).

Almost surely, 2^1153031345 is an apocalyptic number.

It is an amenable number.

1153031345 is a deficient number, since it is larger than the sum of its proper divisors (230606275).

1153031345 is an equidigital number, since it uses as much as digits as its factorization.

1153031345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230606274.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1153031345 is about 33956.3152447376. The cubic root of 1153031345 is about 1048.6092986944.

Adding to 1153031345 its reverse (5431303511), we get a palindrome (6584334856).

It can be divided in two parts, 11530 and 31345, that added together give a cube (42875 = 35³).

The spelling of 1153031345 in words is "one billion, one hundred fifty-three million, thirty-one thousand, three hundred forty-five".