153143509549 has 2 divisors, whose sum is σ = 153143509550. Its totient is φ = 153143509548.

The previous prime is 153143509543. The next prime is 153143509559. The reversal of 153143509549 is 945905341351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144609075625 + 8534433924 = 380275^2 + 92382^2 .

It is a cyclic number.

It is not a de Polignac number, because 153143509549 - 2⁹ = 153143509037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153143509543) 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, 76571754774 + 76571754775.

It is an arithmetic number, because the mean of its divisors is an integer number (76571754775).

Almost surely, 2^153143509549 is an apocalyptic number.

It is an amenable number.

153143509549 is a deficient number, since it is larger than the sum of its proper divisors (1).

153143509549 is an equidigital number, since it uses as much as digits as its factorization.

153143509549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458000, while the sum is 49.

The spelling of 153143509549 in words is "one hundred fifty-three billion, one hundred forty-three million, five hundred nine thousand, five hundred forty-nine".