1004143005 has 24 divisors (see below), whose sum is σ = 1746819672. Its totient is φ = 533602944.

The previous prime is 1004143001. The next prime is 1004143031. The reversal of 1004143005 is 5003414001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32012964 + 972130041 = 5658^2 + 31179^2 .

It is not a de Polignac number, because 1004143005 - 2² = 1004143001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004143001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27814 + ... + 52743.

It is an arithmetic number, because the mean of its divisors is an integer number (72784153).

Almost surely, 2^1004143005 is an apocalyptic number.

1004143005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1004143005 is a deficient number, since it is larger than the sum of its proper divisors (742676667).

1004143005 is a wasteful number, since it uses less digits than its factorization.

1004143005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80845 (or 80842 counting only the distinct ones).

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

The square root of 1004143005 is about 31688.2155540510. The cubic root of 1004143005 is about 1001.3790988786.

Adding to 1004143005 its reverse (5003414001), we get a palindrome (6007557006).

The spelling of 1004143005 in words is "one billion, four million, one hundred forty-three thousand, five".