1144442305 has 8 divisors (see below), whose sum is σ = 1373922792. Its totient is φ = 915159168.

The previous prime is 1144442287. The next prime is 1144442311. The reversal of 1144442305 is 5032444411.

It can be written as a sum of positive squares in 4 ways, for example, as 82464561 + 1061977744 = 9081^2 + 32588^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1144442305 - 2¹³ = 1144434113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36262 + ... + 60031.

It is an arithmetic number, because the mean of its divisors is an integer number (171740349).

Almost surely, 2^1144442305 is an apocalyptic number.

It is an amenable number.

1144442305 is a deficient number, since it is larger than the sum of its proper divisors (229480487).

1144442305 is an equidigital number, since it uses as much as digits as its factorization.

1144442305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98675.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1144442305 is about 33829.6069294339. The cubic root of 1144442305 is about 1045.9990765749. Note that the first 3 decimals are identical.

Adding to 1144442305 its reverse (5032444411), we get a palindrome (6176886716).

The spelling of 1144442305 in words is "one billion, one hundred forty-four million, four hundred forty-two thousand, three hundred five".