1144023355441 has 4 divisors (see below), whose sum is σ = 1144047222900. Its totient is φ = 1143999487984.

The previous prime is 1144023355399. The next prime is 1144023355451. The reversal of 1144023355441 is 1445533204411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 226834065441 + 917189290000 = 476271^2 + 957700^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144023355441 - 2¹¹ = 1144023353393 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 1144023355441.

It is not an unprimeable number, because it can be changed into a prime (1144023355451) 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, 11861686 + ... + 11957743.

It is an arithmetic number, because the mean of its divisors is an integer number (286011805725).

Almost surely, 2^{1144023355441} is an apocalyptic number.

It is an amenable number.

1144023355441 is a deficient number, since it is larger than the sum of its proper divisors (23867459).

1144023355441 is an equidigital number, since it uses as much as digits as its factorization.

1144023355441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23867458.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 1144023355441 its reverse (1445533204411), we get a palindrome (2589556559852).

The spelling of 1144023355441 in words is "one trillion, one hundred forty-four billion, twenty-three million, three hundred fifty-five thousand, four hundred forty-one".