144557573 has 2 divisors, whose sum is σ = 144557574. Its totient is φ = 144557572.

The previous prime is 144557537. The next prime is 144557587. The reversal of 144557573 is 375755441.

Together with previous prime (144557537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112826884 + 31730689 = 10622^2 + 5633^2 .

It is an emirp because it is prime and its reverse (375755441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144557573 - 2⁶ = 144557509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144557573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144557503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72278786 + 72278787.

It is an arithmetic number, because the mean of its divisors is an integer number (72278787).

Almost surely, 2^144557573 is an apocalyptic number.

It is an amenable number.

144557573 is a deficient number, since it is larger than the sum of its proper divisors (1).

144557573 is an equidigital number, since it uses as much as digits as its factorization.

144557573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294000, while the sum is 41.

The square root of 144557573 is about 12023.2097627880. The cubic root of 144557573 is about 524.8239143411.

The spelling of 144557573 in words is "one hundred forty-four million, five hundred fifty-seven thousand, five hundred seventy-three".