1144440151 has 2 divisors, whose sum is σ = 1144440152. Its totient is φ = 1144440150.

The previous prime is 1144440139. The next prime is 1144440163. The reversal of 1144440151 is 1510444411.

It is a balanced prime because it is at equal distance from previous prime (1144440139) and next prime (1144440163).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144440151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144440131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572220075 + 572220076.

It is an arithmetic number, because the mean of its divisors is an integer number (572220076).

Almost surely, 2^1144440151 is an apocalyptic number.

1144440151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144440151 is an equidigital number, since it uses as much as digits as its factorization.

1144440151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 1144440151 is about 33829.5750934002. The cubic root of 1144440151 is about 1045.9984203357.

Adding to 1144440151 its reverse (1510444411), we get a palindrome (2654884562).

The spelling of 1144440151 in words is "one billion, one hundred forty-four million, four hundred forty thousand, one hundred fifty-one".