1044500045 has 8 divisors (see below), whose sum is σ = 1253791896. Its totient is φ = 835338816.

The previous prime is 1044500003. The next prime is 1044500059. The reversal of 1044500045 is 5400054401.

It can be written as a sum of positive squares in 4 ways, for example, as 365689129 + 678810916 = 19123^2 + 26054^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1044500045 - 2⁸ = 1044499789 is a prime.

It is a Duffinian number.

It is a congruent 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, 14102 + ... + 47831.

It is an arithmetic number, because the mean of its divisors is an integer number (156723987).

Almost surely, 2^1044500045 is an apocalyptic number.

It is an amenable number.

1044500045 is a deficient number, since it is larger than the sum of its proper divisors (209291851).

1044500045 is an equidigital number, since it uses as much as digits as its factorization.

1044500045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65311.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1044500045 is about 32318.7259185754. The cubic root of 1044500045 is about 1014.6186034182.

Adding to 1044500045 its reverse (5400054401), we get a palindrome (6444554446).

The spelling of 1044500045 in words is "one billion, forty-four million, five hundred thousand, forty-five".