1144225337 has 4 divisors (see below), whose sum is σ = 1144620516. Its totient is φ = 1143830160.

The previous prime is 1144225319. The next prime is 1144225339. The reversal of 1144225337 is 7335224411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7335224411 = 1409 ⋅5205979.

It can be written as a sum of positive squares in 2 ways, for example, as 691216681 + 453008656 = 26291^2 + 21284^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144225337 - 2⁸ = 1144225081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144225339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193214 + ... + 199047.

It is an arithmetic number, because the mean of its divisors is an integer number (286155129).

Almost surely, 2^1144225337 is an apocalyptic number.

It is an amenable number.

1144225337 is a deficient number, since it is larger than the sum of its proper divisors (395179).

1144225337 is an equidigital number, since it uses as much as digits as its factorization.

1144225337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395178.

The product of its digits is 20160, while the sum is 32.

The square root of 1144225337 is about 33826.4000005913. The cubic root of 1144225337 is about 1045.9329708189.

Adding to 1144225337 its reverse (7335224411), we get a palindrome (8479449748).

The spelling of 1144225337 in words is "one billion, one hundred forty-four million, two hundred twenty-five thousand, three hundred thirty-seven".