1145633305 has 8 divisors (see below), whose sum is σ = 1406731392. Its totient is φ = 895192368.

The previous prime is 1145633299. The next prime is 1145633309. The reversal of 1145633305 is 5033365411.

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 1145633305 - 2³ = 1145633297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145633309) by changing a digit.

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, 2664049 + ... + 2664478.

It is an arithmetic number, because the mean of its divisors is an integer number (175841424).

Almost surely, 2^1145633305 is an apocalyptic number.

It is an amenable number.

1145633305 is a deficient number, since it is larger than the sum of its proper divisors (261098087).

1145633305 is an equidigital number, since it uses as much as digits as its factorization.

1145633305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5328575.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 1145633305 is about 33847.2052760638. The cubic root of 1145633305 is about 1046.3618014262.

Adding to 1145633305 its reverse (5033365411), we get a palindrome (6178998716).

The spelling of 1145633305 in words is "one billion, one hundred forty-five million, six hundred thirty-three thousand, three hundred five".