1144432241 has 4 divisors (see below), whose sum is σ = 1148991984. Its totient is φ = 1139872500.

The previous prime is 1144432213. The next prime is 1144432243. The reversal of 1144432241 is 1422344411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144432241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144432241.

It is not an unprimeable number, because it can be changed into a prime (1144432243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2279495 + ... + 2279996.

It is an arithmetic number, because the mean of its divisors is an integer number (287247996).

Almost surely, 2^1144432241 is an apocalyptic number.

It is an amenable number.

1144432241 is a deficient number, since it is larger than the sum of its proper divisors (4559743).

1144432241 is an equidigital number, since it uses as much as digits as its factorization.

1144432241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559742.

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

The square root of 1144432241 is about 33829.4581836600. The cubic root of 1144432241 is about 1045.9960104626.

Adding to 1144432241 its reverse (1422344411), we get a palindrome (2566776652).

The spelling of 1144432241 in words is "one billion, one hundred forty-four million, four hundred thirty-two thousand, two hundred forty-one".