1144345141 has 4 divisors (see below), whose sum is σ = 1155455392. Its totient is φ = 1133234892.

The previous prime is 1144345109. The next prime is 1144345159. The reversal of 1144345141 is 1415434411.

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 not a de Polignac number, because 1144345141 - 2⁵ = 1144345109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144345441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5554971 + ... + 5555176.

It is an arithmetic number, because the mean of its divisors is an integer number (288863848).

Almost surely, 2^1144345141 is an apocalyptic number.

It is an amenable number.

1144345141 is a deficient number, since it is larger than the sum of its proper divisors (11110251).

1144345141 is a wasteful number, since it uses less digits than its factorization.

1144345141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110250.

The product of its digits is 3840, while the sum is 28.

The square root of 1144345141 is about 33828.1708195995. The cubic root of 1144345141 is about 1045.9694737048.

Adding to 1144345141 its reverse (1415434411), we get a palindrome (2559779552).

The spelling of 1144345141 in words is "one billion, one hundred forty-four million, three hundred forty-five thousand, one hundred forty-one".