1143035442 has 16 divisors (see below), whose sum is σ = 2540078880. Its totient is φ = 381011796.

The previous prime is 1143035419. The next prime is 1143035447. The reversal of 1143035442 is 2445303411.

It is a happy number.

1143035442 is a `hidden beast` number, since 114 + 3 + 0 + 3 + 544 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1143035447) 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, 10583608 + ... + 10583715.

It is an arithmetic number, because the mean of its divisors is an integer number (158754930).

Almost surely, 2^1143035442 is an apocalyptic number.

1143035442 is an abundant number, since it is smaller than the sum of its proper divisors (1397043438).

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

1143035442 is a wasteful number, since it uses less digits than its factorization.

1143035442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21167334 (or 21167328 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1143035442 is about 33808.8071661808. The cubic root of 1143035442 is about 1045.5702852448.

Adding to 1143035442 its reverse (2445303411), we get a palindrome (3588338853).

The spelling of 1143035442 in words is "one billion, one hundred forty-three million, thirty-five thousand, four hundred forty-two".