1044404945 has 8 divisors (see below), whose sum is σ = 1327008744. Its totient is φ = 786375424.

The previous prime is 1044404923. The next prime is 1044404951. The reversal of 1044404945 is 5494044401.

It can be written as a sum of positive squares in 4 ways, for example, as 14508481 + 1029896464 = 3809^2 + 32092^2 .

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 1044404945 - 2²⁸ = 775969489 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, 6143474 + ... + 6143643.

It is an arithmetic number, because the mean of its divisors is an integer number (165876093).

Almost surely, 2^1044404945 is an apocalyptic number.

It is an amenable number.

1044404945 is a deficient number, since it is larger than the sum of its proper divisors (282603799).

1044404945 is a wasteful number, since it uses less digits than its factorization.

1044404945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12287139.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 1044404945 is about 32317.2546018377. The cubic root of 1044404945 is about 1014.5878093689.

The spelling of 1044404945 in words is "one billion, forty-four million, four hundred four thousand, nine hundred forty-five".