1144214437 has 2 divisors, whose sum is σ = 1144214438. Its totient is φ = 1144214436.

The previous prime is 1144214413. The next prime is 1144214441. The reversal of 1144214437 is 7344124411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 963419521 + 180794916 = 31039^2 + 13446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144214437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144214399 and 1144214408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144214497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572107218 + 572107219.

It is an arithmetic number, because the mean of its divisors is an integer number (572107219).

Almost surely, 2^1144214437 is an apocalyptic number.

It is an amenable number.

1144214437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144214437 is an equidigital number, since it uses as much as digits as its factorization.

1144214437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 31.

The square root of 1144214437 is about 33826.2388834467. The cubic root of 1144214437 is about 1045.9296495892.

Adding to 1144214437 its reverse (7344124411), we get a palindrome (8488338848).

The spelling of 1144214437 in words is "one billion, one hundred forty-four million, two hundred fourteen thousand, four hundred thirty-seven".