1004145003 has 48 divisors (see below), whose sum is σ = 1558670880. Its totient is φ = 621084672.

The previous prime is 1004144993. The next prime is 1004145011. The reversal of 1004145003 is 3005414001.

It is a happy number.

It is not a de Polignac number, because 1004145003 - 2¹⁰ = 1004143979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004145053) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3207975 + ... + 3208287.

It is an arithmetic number, because the mean of its divisors is an integer number (32472310).

Almost surely, 2^1004145003 is an apocalyptic number.

1004145003 is a deficient number, since it is larger than the sum of its proper divisors (554525877).

1004145003 is a wasteful number, since it uses less digits than its factorization.

1004145003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1004145003 is about 31688.2470799506. The cubic root of 1004145003 is about 1001.3797630450.

Adding to 1004145003 its reverse (3005414001), we get a palindrome (4009559004).

The spelling of 1004145003 in words is "one billion, four million, one hundred forty-five thousand, three".