1153330345 has 4 divisors (see below), whose sum is σ = 1383996420. Its totient is φ = 922664272.

The previous prime is 1153330313. The next prime is 1153330349. The reversal of 1153330345 is 5430333511.

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 849839104 + 303491241 = 29152^2 + 17421^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153330345 - 2⁵ = 1153330313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1153330349) 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, 115333030 + ... + 115333039.

It is an arithmetic number, because the mean of its divisors is an integer number (345999105).

Almost surely, 2^1153330345 is an apocalyptic number.

It is an amenable number.

1153330345 is a deficient number, since it is larger than the sum of its proper divisors (230666075).

1153330345 is an equidigital number, since it uses as much as digits as its factorization.

1153330345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230666074.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 1153330345 is about 33960.7176749844. The cubic root of 1153330345 is about 1048.6999314091.

Adding to 1153330345 its reverse (5430333511), we get a palindrome (6583663856).

The spelling of 1153330345 in words is "one billion, one hundred fifty-three million, three hundred thirty thousand, three hundred forty-five".