1143002442 has 16 divisors (see below), whose sum is σ = 2299695552. Its totient is φ = 378719040.

The previous prime is 1143002417. The next prime is 1143002461. The reversal of 1143002442 is 2442003411.

It is an unprimeable number.

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, 569359 + ... + 571362.

It is an arithmetic number, because the mean of its divisors is an integer number (143730972).

Almost surely, 2^1143002442 is an apocalyptic number.

1143002442 is an abundant number, since it is smaller than the sum of its proper divisors (1156693110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143002442 is a wasteful number, since it uses less digits than its factorization.

1143002442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140893.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1143002442 is about 33808.3191241446. The cubic root of 1143002442 is about 1045.5602231038.

Adding to 1143002442 its reverse (2442003411), we get a palindrome (3585005853).

The spelling of 1143002442 in words is "one billion, one hundred forty-three million, two thousand, four hundred forty-two".