1143430412 has 48 divisors (see below), whose sum is σ = 2182548480. Its totient is φ = 522158400.

The previous prime is 1143430399. The next prime is 1143430417. The reversal of 1143430412 is 2140343411.

It is not an unprimeable number, because it can be changed into a prime (1143430417) 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 15 ways as a sum of consecutive naturals, for example, 746087 + ... + 747617.

It is an arithmetic number, because the mean of its divisors is an integer number (45469760).

Almost surely, 2^1143430412 is an apocalyptic number.

It is an amenable number.

1143430412 is a deficient number, since it is larger than the sum of its proper divisors (1039118068).

1143430412 is a wasteful number, since it uses less digits than its factorization.

1143430412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902 (or 1900 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1143430412 is about 33814.6478911137. The cubic root of 1143430412 is about 1045.6907018487.

Adding to 1143430412 its reverse (2140343411), we get a palindrome (3283773823).

The spelling of 1143430412 in words is "one billion, one hundred forty-three million, four hundred thirty thousand, four hundred twelve".