1144320041 has 8 divisors (see below), whose sum is σ = 1170645960. Its totient is φ = 1118282112.

The previous prime is 1144320029. The next prime is 1144320059. The reversal of 1144320041 is 1400234411.

It can be written as a sum of positive squares in 4 ways, for example, as 384160000 + 760160041 = 19600^2 + 27571^2 .

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 1144320041 - 2²² = 1140125737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1144319995 and 1144320022.

It is not an unprimeable number, because it can be changed into a prime (1144320641) 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, 63950 + ... + 79863.

It is an arithmetic number, because the mean of its divisors is an integer number (146330745).

Almost surely, 2^1144320041 is an apocalyptic number.

It is an amenable number.

1144320041 is a deficient number, since it is larger than the sum of its proper divisors (26325919).

1144320041 is a wasteful number, since it uses less digits than its factorization.

1144320041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143995.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1144320041 is about 33827.7998249960. The cubic root of 1144320041 is about 1045.9618262376.

Adding to 1144320041 its reverse (1400234411), we get a palindrome (2544554452).

The spelling of 1144320041 in words is "one billion, one hundred forty-four million, three hundred twenty thousand, forty-one".