1144542713 has 2 divisors, whose sum is σ = 1144542714. Its totient is φ = 1144542712.

The previous prime is 1144542643. The next prime is 1144542769. The reversal of 1144542713 is 3172454411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 986713744 + 157828969 = 31412^2 + 12563^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144542713 - 2¹⁴ = 1144526329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144542713.

It is not a weakly prime, because it can be changed into another prime (1144542013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572271356 + 572271357.

It is an arithmetic number, because the mean of its divisors is an integer number (572271357).

Almost surely, 2^1144542713 is an apocalyptic number.

It is an amenable number.

1144542713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144542713 is an equidigital number, since it uses as much as digits as its factorization.

1144542713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 1144542713 is about 33831.0909224045. The cubic root of 1144542713 is about 1046.0296660312.

The spelling of 1144542713 in words is "one billion, one hundred forty-four million, five hundred forty-two thousand, seven hundred thirteen".