1144045211 has 4 divisors (see below), whose sum is σ = 1144191552. Its totient is φ = 1143898872.

The previous prime is 1144045171. The next prime is 1144045237. The reversal of 1144045211 is 1125404411.

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

It is a cyclic number.

It is not a de Polignac number, because 1144045211 - 2²⁶ = 1076936347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144045261) 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, 60740 + ... + 77313.

It is an arithmetic number, because the mean of its divisors is an integer number (286047888).

Almost surely, 2^1144045211 is an apocalyptic number.

1144045211 is a deficient number, since it is larger than the sum of its proper divisors (146341).

1144045211 is an equidigital number, since it uses as much as digits as its factorization.

1144045211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146340.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1144045211 is about 33823.7373895908. The cubic root of 1144045211 is about 1045.8780837254.

Adding to 1144045211 its reverse (1125404411), we get a palindrome (2269449622).

The spelling of 1144045211 in words is "one billion, one hundred forty-four million, forty-five thousand, two hundred eleven".