1044445145 has 8 divisors (see below), whose sum is σ = 1270987200. Its totient is φ = 823787440.

The previous prime is 1044445097. The next prime is 1044445153. The reversal of 1044445145 is 5415444401.

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

It is not a de Polignac number, because 1044445145 - 2¹⁸ = 1044183001 is a prime.

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, 1470695 + ... + 1471404.

It is an arithmetic number, because the mean of its divisors is an integer number (158873400).

Almost surely, 2^1044445145 is an apocalyptic number.

It is an amenable number.

1044445145 is a deficient number, since it is larger than the sum of its proper divisors (226542055).

1044445145 is an equidigital number, since it uses as much as digits as its factorization.

1044445145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942175.

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 1044445145 is about 32317.8765546253. The cubic root of 1044445145 is about 1014.6008266399.

Adding to 1044445145 its reverse (5415444401), we get a palindrome (6459889546).

The spelling of 1044445145 in words is "one billion, forty-four million, four hundred forty-five thousand, one hundred forty-five".