1143454412 has 24 divisors (see below), whose sum is σ = 2052025920. Its totient is φ = 557191040.

The previous prime is 1143454379. The next prime is 1143454441. The reversal of 1143454412 is 2144543411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178733 + ... + 185019.

It is an arithmetic number, because the mean of its divisors is an integer number (85501080).

Almost surely, 2^1143454412 is an apocalyptic number.

It is an amenable number.

1143454412 is a deficient number, since it is larger than the sum of its proper divisors (908571508).

1143454412 is a wasteful number, since it uses less digits than its factorization.

1143454412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7441 (or 7439 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 1143454412 is about 33815.0027650450. The cubic root of 1143454412 is about 1045.6980179626.

Adding to 1143454412 its reverse (2144543411), we get a palindrome (3287997823).

The spelling of 1143454412 in words is "one billion, one hundred forty-three million, four hundred fifty-four thousand, four hundred twelve".