1145263333 has 4 divisors (see below), whose sum is σ = 1171897408. Its totient is φ = 1118629260.

The previous prime is 1145263307. The next prime is 1145263363. The reversal of 1145263333 is 3333625411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145263333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145263295 and 1145263304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145263363) 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 3 ways as a sum of consecutive naturals, for example, 13316973 + ... + 13317058.

It is an arithmetic number, because the mean of its divisors is an integer number (292974352).

Almost surely, 2^1145263333 is an apocalyptic number.

It is an amenable number.

1145263333 is a deficient number, since it is larger than the sum of its proper divisors (26634075).

1145263333 is an equidigital number, since it uses as much as digits as its factorization.

1145263333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26634074.

The product of its digits is 19440, while the sum is 31.

The square root of 1145263333 is about 33841.7395090737. The cubic root of 1145263333 is about 1046.2491515794.

Adding to 1145263333 its reverse (3333625411), we get a palindrome (4478888744).

The spelling of 1145263333 in words is "one billion, one hundred forty-five million, two hundred sixty-three thousand, three hundred thirty-three".