1143452312 has 16 divisors (see below), whose sum is σ = 2144553840. Its totient is φ = 571571296.

The previous prime is 1143452287. The next prime is 1143452353. The reversal of 1143452312 is 2132543411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 15773 + ... + 50355.

It is an arithmetic number, because the mean of its divisors is an integer number (134034615).

Almost surely, 2^1143452312 is an apocalyptic number.

It is an amenable number.

1143452312 is a deficient number, since it is larger than the sum of its proper divisors (1001101528).

1143452312 is a wasteful number, since it uses less digits than its factorization.

1143452312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38722 (or 38718 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 1143452312 is about 33814.9717137247. The cubic root of 1143452312 is about 1045.6973778067.

Adding to 1143452312 its reverse (2132543411), we get a palindrome (3275995723).

The spelling of 1143452312 in words is "one billion, one hundred forty-three million, four hundred fifty-two thousand, three hundred twelve".