1004243144 has 32 divisors (see below), whose sum is σ = 1902700800. Its totient is φ = 496884480.

The previous prime is 1004243131. The next prime is 1004243153. The reversal of 1004243144 is 4413424001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320417 + ... + 323535.

It is an arithmetic number, because the mean of its divisors is an integer number (59459400).

Almost surely, 2^1004243144 is an apocalyptic number.

It is an amenable number.

1004243144 is a deficient number, since it is larger than the sum of its proper divisors (898457656).

1004243144 is a wasteful number, since it uses less digits than its factorization.

1004243144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533 (or 3529 counting only the distinct ones).

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

The square root of 1004243144 is about 31689.7955815433. The cubic root of 1004243144 is about 1001.4123855612.

Adding to 1004243144 its reverse (4413424001), we get a palindrome (5417667145).

The spelling of 1004243144 in words is "one billion, four million, two hundred forty-three thousand, one hundred forty-four".