1044042143 has 8 divisors (see below), whose sum is σ = 1065981168. Its totient is φ = 1022326144.

The previous prime is 1044042133. The next prime is 1044042227. The reversal of 1044042143 is 3412404401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1044042143 - 2⁴ = 1044042127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044042133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46280 + ... + 65037.

It is an arithmetic number, because the mean of its divisors is an integer number (133247646).

Almost surely, 2^1044042143 is an apocalyptic number.

1044042143 is a deficient number, since it is larger than the sum of its proper divisors (21939025).

1044042143 is a wasteful number, since it uses less digits than its factorization.

1044042143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111513.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1044042143 is about 32311.6409827789. The cubic root of 1044042143 is about 1014.4703143561.

Adding to 1044042143 its reverse (3412404401), we get a palindrome (4456446544).

The spelling of 1044042143 in words is "one billion, forty-four million, forty-two thousand, one hundred forty-three".