1443142012 has 24 divisors (see below), whose sum is σ = 2720992736. Its totient is φ = 665765568.

The previous prime is 1443142009. The next prime is 1443142081. The reversal of 1443142012 is 2102413441.

It is a happy number.

It is a congruent number.

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, 145318 + ... + 154930.

Almost surely, 2^1443142012 is an apocalyptic number.

It is an amenable number.

1443142012 is a deficient number, since it is larger than the sum of its proper divisors (1277850724).

1443142012 is a wasteful number, since it uses less digits than its factorization.

1443142012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12517 (or 12515 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1443142012 is about 37988.7090067562. The cubic root of 1443142012 is about 1130.0639564918.

Adding to 1443142012 its reverse (2102413441), we get a palindrome (3545555453).

The spelling of 1443142012 in words is "one billion, four hundred forty-three million, one hundred forty-two thousand, twelve".