144573197 has 2 divisors, whose sum is σ = 144573198. Its totient is φ = 144573196.

The previous prime is 144573179. The next prime is 144573211. The reversal of 144573197 is 791375441.

Together with previous prime (144573179) 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., 142539721 + 2033476 = 11939^2 + 1426^2 .

It is a cyclic number.

It is not a de Polignac number, because 144573197 - 2⁶ = 144573133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144573127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72286598 + 72286599.

It is an arithmetic number, because the mean of its divisors is an integer number (72286599).

Almost surely, 2^144573197 is an apocalyptic number.

It is an amenable number.

144573197 is a deficient number, since it is larger than the sum of its proper divisors (1).

144573197 is an equidigital number, since it uses as much as digits as its factorization.

144573197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

The square root of 144573197 is about 12023.8594885336. The cubic root of 144573197 is about 524.8428215793.

The spelling of 144573197 in words is "one hundred forty-four million, five hundred seventy-three thousand, one hundred ninety-seven".