144546305557 has 2 divisors, whose sum is σ = 144546305558. Its totient is φ = 144546305556.

The previous prime is 144546305543. The next prime is 144546305621. The reversal of 144546305557 is 755503645441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143846491441 + 699814116 = 379271^2 + 26454^2 .

It is a cyclic number.

It is not a de Polignac number, because 144546305557 - 2²³ = 144537916949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144546305557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144546305357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72273152778 + 72273152779.

It is an arithmetic number, because the mean of its divisors is an integer number (72273152779).

Almost surely, 2^144546305557 is an apocalyptic number.

It is an amenable number.

144546305557 is a deficient number, since it is larger than the sum of its proper divisors (1).

144546305557 is an equidigital number, since it uses as much as digits as its factorization.

144546305557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040000, while the sum is 49.

The spelling of 144546305557 in words is "one hundred forty-four billion, five hundred forty-six million, three hundred five thousand, five hundred fifty-seven".