1145320353 has 12 divisors (see below), whose sum is σ = 1665309568. Its totient is φ = 758489400.

The previous prime is 1145320349. The next prime is 1145320357. The reversal of 1145320353 is 3530235411.

1145320353 is a `hidden beast` number, since 1 + 1 + 453 + 203 + 5 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1145320349) and next prime (1145320357).

It is not a de Polignac number, because 1145320353 - 2² = 1145320349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145320357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420025 + ... + 422742.

Almost surely, 2^1145320353 is an apocalyptic number.

It is an amenable number.

1145320353 is a deficient number, since it is larger than the sum of its proper divisors (519989215).

1145320353 is a wasteful number, since it uses less digits than its factorization.

1145320353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842924 (or 842921 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1145320353 is about 33842.5819493726. The cubic root of 1145320353 is about 1046.2665147293.

Adding to 1145320353 its reverse (3530235411), we get a palindrome (4675555764).

The spelling of 1145320353 in words is "one billion, one hundred forty-five million, three hundred twenty thousand, three hundred fifty-three".