1044142004 has 6 divisors (see below), whose sum is σ = 1827248514. Its totient is φ = 522071000.

The previous prime is 1044141997. The next prime is 1044142027. The reversal of 1044142004 is 4002414401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 648211600 + 395930404 = 25460^2 + 19898^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130517747 + ... + 130517754.

It is an arithmetic number, because the mean of its divisors is an integer number (304541419).

Almost surely, 2^1044142004 is an apocalyptic number.

It is an amenable number.

1044142004 is a deficient number, since it is larger than the sum of its proper divisors (783106510).

1044142004 is a wasteful number, since it uses less digits than its factorization.

1044142004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261035505 (or 261035503 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1044142004 is about 32313.1862248216. The cubic root of 1044142004 is about 1014.5026574918.

Adding to 1044142004 its reverse (4002414401), we get a palindrome (5046556405).

The spelling of 1044142004 in words is "one billion, forty-four million, one hundred forty-two thousand, four".