1145223333 has 24 divisors (see below), whose sum is σ = 1725048000. Its totient is φ = 750900240.

The previous prime is 1145223307. The next prime is 1145223349. The reversal of 1145223333 is 3333225411.

It is not a de Polignac number, because 1145223333 - 2⁵ = 1145223301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1145223297 and 1145223306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145223533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94768 + ... + 106166.

It is an arithmetic number, because the mean of its divisors is an integer number (71877000).

Almost surely, 2^1145223333 is an apocalyptic number.

It is an amenable number.

1145223333 is a deficient number, since it is larger than the sum of its proper divisors (579824667).

1145223333 is an equidigital number, since it uses as much as digits as its factorization.

1145223333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11530 (or 11463 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 1145223333 is about 33841.1485177439. The cubic root of 1145223333 is about 1046.2369708427.

Adding to 1145223333 its reverse (3333225411), we get a palindrome (4478448744).

It can be divided in two parts, 114522 and 3333, that added together give a triangular number (117855 = T₄₈₅).

The spelling of 1145223333 in words is "one billion, one hundred forty-five million, two hundred twenty-three thousand, three hundred thirty-three".