1143141442 has 16 divisors (see below), whose sum is σ = 1729615680. Its totient is φ = 566622352.

The previous prime is 1143141413. The next prime is 1143141443. The reversal of 1143141442 is 2441413411.

It is not an unprimeable number, because it can be changed into a prime (1143141443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119613 + ... + 128815.

It is an arithmetic number, because the mean of its divisors is an integer number (108100980).

Almost surely, 2^1143141442 is an apocalyptic number.

1143141442 is a deficient number, since it is larger than the sum of its proper divisors (586474238).

1143141442 is a wasteful number, since it uses less digits than its factorization.

1143141442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9737.

The product of its digits is 1536, while the sum is 25.

The square root of 1143141442 is about 33810.3747687008. The cubic root of 1143141442 is about 1045.6026047514.

Adding to 1143141442 its reverse (2441413411), we get a palindrome (3584554853).

The spelling of 1143141442 in words is "one billion, one hundred forty-three million, one hundred forty-one thousand, four hundred forty-two".