1144015013 has 2 divisors, whose sum is σ = 1144015014. Its totient is φ = 1144015012.

The previous prime is 1144015001. The next prime is 1144015049. The reversal of 1144015013 is 3105104411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 952524769 + 191490244 = 30863^2 + 13838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144015013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144015063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572007506 + 572007507.

It is an arithmetic number, because the mean of its divisors is an integer number (572007507).

Almost surely, 2^1144015013 is an apocalyptic number.

It is an amenable number.

1144015013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144015013 is an equidigital number, since it uses as much as digits as its factorization.

1144015013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1144015013 is about 33823.2909841724. The cubic root of 1144015013 is about 1045.8688813780.

Adding to 1144015013 its reverse (3105104411), we get a palindrome (4249119424).

The spelling of 1144015013 in words is "one billion, one hundred forty-four million, fifteen thousand, thirteen".