1044454621 has 8 divisors (see below), whose sum is σ = 1194201344. Its totient is φ = 894842640.

The previous prime is 1044454603. The next prime is 1044454637. The reversal of 1044454621 is 1264544401.

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 1044454621 - 2⁷ = 1044454493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044454601) 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, 16485 + ... + 48586.

It is an arithmetic number, because the mean of its divisors is an integer number (149275168).

Almost surely, 2^1044454621 is an apocalyptic number.

It is an amenable number.

1044454621 is a deficient number, since it is larger than the sum of its proper divisors (149746723).

1044454621 is an equidigital number, since it uses as much as digits as its factorization.

1044454621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67371.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 1044454621 is about 32318.0231604596. The cubic root of 1044454621 is about 1014.6038950405.

The spelling of 1044454621 in words is "one billion, forty-four million, four hundred fifty-four thousand, six hundred twenty-one".