1144521341 has 4 divisors (see below), whose sum is σ = 1150331292. Its totient is φ = 1138711392.

The previous prime is 1144521293. The next prime is 1144521359. The reversal of 1144521341 is 1431254411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1431254411 = 6287 ⋅227653.

It can be written as a sum of positive squares in 2 ways, for example, as 1119170116 + 25351225 = 33454^2 + 5035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144521341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144521341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144221341) 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, 2904680 + ... + 2905073.

It is an arithmetic number, because the mean of its divisors is an integer number (287582823).

Almost surely, 2^1144521341 is an apocalyptic number.

It is an amenable number.

1144521341 is a deficient number, since it is larger than the sum of its proper divisors (5809951).

1144521341 is an equidigital number, since it uses as much as digits as its factorization.

1144521341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809950.

The product of its digits is 1920, while the sum is 26.

The square root of 1144521341 is about 33830.7750576306. The cubic root of 1144521341 is about 1046.0231551674.

Adding to 1144521341 its reverse (1431254411), we get a palindrome (2575775752).

The spelling of 1144521341 in words is "one billion, one hundred forty-four million, five hundred twenty-one thousand, three hundred forty-one".