1142544437 has 2 divisors, whose sum is σ = 1142544438. Its totient is φ = 1142544436.

The previous prime is 1142544383. The next prime is 1142544439. The reversal of 1142544437 is 7344452411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1132053316 + 10491121 = 33646^2 + 3239^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142544437 - 2²² = 1138350133 is a prime.

Together with 1142544439, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142544397 and 1142544406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142544439) 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 as a sum of consecutive naturals, namely, 571272218 + 571272219.

It is an arithmetic number, because the mean of its divisors is an integer number (571272219).

Almost surely, 2^1142544437 is an apocalyptic number.

It is an amenable number.

1142544437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142544437 is an equidigital number, since it uses as much as digits as its factorization.

1142544437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 35.

The square root of 1142544437 is about 33801.5448907295. The cubic root of 1142544437 is about 1045.4205512569.

Adding to 1142544437 its reverse (7344452411), we get a palindrome (8486996848).

The spelling of 1142544437 in words is "one billion, one hundred forty-two million, five hundred forty-four thousand, four hundred thirty-seven".