1044404545 has 8 divisors (see below), whose sum is σ = 1253469096. Its totient is φ = 835401216.

The previous prime is 1044404519. The next prime is 1044404551. The reversal of 1044404545 is 5454044401.

It can be written as a sum of positive squares in 4 ways, for example, as 220255281 + 824149264 = 14841^2 + 28708^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1044404545 is a prime.

It is a Duffinian 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, 41199 + ... + 61531.

It is an arithmetic number, because the mean of its divisors is an integer number (156683637).

Almost surely, 2^1044404545 is an apocalyptic number.

It is an amenable number.

1044404545 is a deficient number, since it is larger than the sum of its proper divisors (209064551).

1044404545 is a wasteful number, since it uses less digits than its factorization.

1044404545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30611.

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 1044404545 is about 32317.2484131926. The cubic root of 1044404545 is about 1014.5876798421.

Adding to 1044404545 its reverse (5454044401), we get a palindrome (6498448946).

The spelling of 1044404545 in words is "one billion, forty-four million, four hundred four thousand, five hundred forty-five".