1044421453 has 16 divisors (see below), whose sum is σ = 1085958720. Its totient is φ = 1003774464.

The previous prime is 1044421429. The next prime is 1044421463. The reversal of 1044421453 is 3541244401.

1044421453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1044421453 - 2²⁵ = 1010867021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044421463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259443 + ... + 1260271.

It is an arithmetic number, because the mean of its divisors is an integer number (67872420).

Almost surely, 2^1044421453 is an apocalyptic number.

It is an amenable number.

1044421453 is a deficient number, since it is larger than the sum of its proper divisors (41537267).

1044421453 is an equidigital number, since it uses as much as digits as its factorization.

1044421453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308.

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

The square root of 1044421453 is about 32317.5100061870. The cubic root of 1044421453 is about 1014.5931549095.

Adding to 1044421453 its reverse (3541244401), we get a palindrome (4585665854).

The spelling of 1044421453 in words is "one billion, forty-four million, four hundred twenty-one thousand, four hundred fifty-three".