1044421345 has 8 divisors (see below), whose sum is σ = 1367242560. Its totient is φ = 759579120.

The previous prime is 1044421337. The next prime is 1044421349. The reversal of 1044421345 is 5431244401.

1044421345 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1044421345 - 2³ = 1044421337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1044421349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9494685 + ... + 9494794.

It is an arithmetic number, because the mean of its divisors is an integer number (170905320).

Almost surely, 2^1044421345 is an apocalyptic number.

It is an amenable number.

1044421345 is a deficient number, since it is larger than the sum of its proper divisors (322821215).

1044421345 is a wasteful number, since it uses less digits than its factorization.

1044421345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18989495.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1044421345 is about 32317.5083352662. The cubic root of 1044421345 is about 1014.5931199377.

Adding to 1044421345 its reverse (5431244401), we get a palindrome (6475665746).

The spelling of 1044421345 in words is "one billion, forty-four million, four hundred twenty-one thousand, three hundred forty-five".