1043040045 has 16 divisors (see below), whose sum is σ = 1670613120. Its totient is φ = 555705024.

The previous prime is 1043039989. The next prime is 1043040091. The reversal of 1043040045 is 5400403401.

It is not a de Polignac number, because 1043040045 - 2⁹ = 1043039533 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21450 + ... + 50459.

It is an arithmetic number, because the mean of its divisors is an integer number (104413320).

Almost surely, 2^1043040045 is an apocalyptic number.

1043040045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1043040045 is a deficient number, since it is larger than the sum of its proper divisors (627573075).

1043040045 is an equidigital number, since it uses as much as digits as its factorization.

1043040045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72884.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1043040045 is about 32296.1304957730. The cubic root of 1043040045 is about 1014.1456390526.

Adding to 1043040045 its reverse (5400403401), we get a palindrome (6443443446).

The spelling of 1043040045 in words is "one billion, forty-three million, forty thousand, forty-five".