1005043345 has 8 divisors (see below), whose sum is σ = 1206279360. Its totient is φ = 803883120.

The previous prime is 1005043289. The next prime is 1005043363. The reversal of 1005043345 is 5433405001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1005043345 - 2⁹ = 1005042833 is a prime.

It is a super-2 number, since 2×1005043345² = 2020224250657578050, which contains 22 as substring.

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, 16140 + ... + 47650.

It is an arithmetic number, because the mean of its divisors is an integer number (150784920).

Almost surely, 2^1005043345 is an apocalyptic number.

It is an amenable number.

1005043345 is a deficient number, since it is larger than the sum of its proper divisors (201236015).

1005043345 is an equidigital number, since it uses as much as digits as its factorization.

1005043345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37895.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1005043345 is about 31702.4185985864. The cubic root of 1005043345 is about 1001.6782967443.

Adding to 1005043345 its reverse (5433405001), we get a palindrome (6438448346).

The spelling of 1005043345 in words is "one billion, five million, forty-three thousand, three hundred forty-five".