1004443142 has 16 divisors (see below), whose sum is σ = 1525035600. Its totient is φ = 496108800.

The previous prime is 1004443129. The next prime is 1004443169. The reversal of 1004443142 is 2413444001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256334 + ... + 260222.

It is an arithmetic number, because the mean of its divisors is an integer number (95314725).

Almost surely, 2^1004443142 is an apocalyptic number.

1004443142 is a deficient number, since it is larger than the sum of its proper divisors (520592458).

1004443142 is a wasteful number, since it uses less digits than its factorization.

1004443142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431.

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

The square root of 1004443142 is about 31692.9509828290. The cubic root of 1004443142 is about 1001.4788592306.

Adding to 1004443142 its reverse (2413444001), we get a palindrome (3417887143).

The spelling of 1004443142 in words is "one billion, four million, four hundred forty-three thousand, one hundred forty-two".