1143345322 has 24 divisors (see below), whose sum is σ = 1999027620. Its totient is φ = 489021120.

The previous prime is 1143345283. The next prime is 1143345331. The reversal of 1143345322 is 2235433411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1116294921 + 27050401 = 33411^2 + 5201^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38422 + ... + 61342.

Almost surely, 2^1143345322 is an apocalyptic number.

1143345322 is a deficient number, since it is larger than the sum of its proper divisors (855682298).

1143345322 is a wasteful number, since it uses less digits than its factorization.

1143345322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23446 (or 23439 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 1143345322 is about 33813.3896851528. The cubic root of 1143345322 is about 1045.6647623518.

Adding to 1143345322 its reverse (2235433411), we get a palindrome (3378778733).

The spelling of 1143345322 in words is "one billion, one hundred forty-three million, three hundred forty-five thousand, three hundred twenty-two".