1144512341 has 4 divisors (see below), whose sum is σ = 1308014112. Its totient is φ = 981010572.

The previous prime is 1144512331. The next prime is 1144512349. The reversal of 1144512341 is 1432154411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1432154411 = 1693 ⋅845927.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144512341 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 1144512341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144512349) 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, 81750875 + ... + 81750888.

It is an arithmetic number, because the mean of its divisors is an integer number (327003528).

Almost surely, 2^1144512341 is an apocalyptic number.

It is an amenable number.

1144512341 is a deficient number, since it is larger than the sum of its proper divisors (163501771).

1144512341 is an equidigital number, since it uses as much as digits as its factorization.

1144512341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163501770.

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

The square root of 1144512341 is about 33830.6420423852. The cubic root of 1144512341 is about 1046.0204133420.

Adding to 1144512341 its reverse (1432154411), we get a palindrome (2576666752).

The spelling of 1144512341 in words is "one billion, one hundred forty-four million, five hundred twelve thousand, three hundred forty-one".