1144424321 has 8 divisors (see below), whose sum is σ = 1204972800. Its totient is φ = 1083907440.

The previous prime is 1144424311. The next prime is 1144424327. The reversal of 1144424321 is 1234244411.

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

It is not a de Polignac number, because 1144424321 - 2¹⁴ = 1144407937 is a prime.

It is a super-2 number, since 2×1144424321² = 2619414052992622082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144424327) 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, 118256 + ... + 127566.

It is an arithmetic number, because the mean of its divisors is an integer number (150621600).

Almost surely, 2^1144424321 is an apocalyptic number.

It is an amenable number.

1144424321 is a deficient number, since it is larger than the sum of its proper divisors (60548479).

1144424321 is an equidigital number, since it uses as much as digits as its factorization.

1144424321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15799.

The product of its digits is 3072, while the sum is 26.

The square root of 1144424321 is about 33829.3411257151. The cubic root of 1144424321 is about 1045.9935975318.

Adding to 1144424321 its reverse (1234244411), we get a palindrome (2378668732).

The spelling of 1144424321 in words is "one billion, one hundred forty-four million, four hundred twenty-four thousand, three hundred twenty-one".