1444550153 has 2 divisors, whose sum is σ = 1444550154. Its totient is φ = 1444550152.

The previous prime is 1444550147. The next prime is 1444550203. The reversal of 1444550153 is 3510554441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1023808009 + 420742144 = 31997^2 + 20512^2 .

It is an emirp because it is prime and its reverse (3510554441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1444550153 - 2⁴ = 1444550137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1444550453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722275076 + 722275077.

It is an arithmetic number, because the mean of its divisors is an integer number (722275077).

Almost surely, 2^1444550153 is an apocalyptic number.

It is an amenable number.

1444550153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444550153 is an equidigital number, since it uses as much as digits as its factorization.

1444550153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1444550153 is about 38007.2381659073. The cubic root of 1444550153 is about 1130.4313890549.

The spelling of 1444550153 in words is "one billion, four hundred forty-four million, five hundred fifty thousand, one hundred fifty-three".