1003004144 has 20 divisors (see below), whose sum is σ = 1949201880. Its totient is φ = 499984320.

The previous prime is 1003004143. The next prime is 1003004161. The reversal of 1003004144 is 4414003001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003004143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89399 + ... + 99990.

It is an arithmetic number, because the mean of its divisors is an integer number (97460094).

Almost surely, 2^1003004144 is an apocalyptic number.

It is an amenable number.

1003004144 is a deficient number, since it is larger than the sum of its proper divisors (946197736).

1003004144 is a wasteful number, since it uses less digits than its factorization.

1003004144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189728 (or 189722 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1003004144 is about 31670.2406684888. The cubic root of 1003004144 is about 1001.0003802390. Note that the first 3 decimals are identical.

Adding to 1003004144 its reverse (4414003001), we get a palindrome (5417007145).

The spelling of 1003004144 in words is "one billion, three million, four thousand, one hundred forty-four".