144654197 has 2 divisors, whose sum is σ = 144654198. Its totient is φ = 144654196.

The previous prime is 144654157. The next prime is 144654221. The reversal of 144654197 is 791456441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142301041 + 2353156 = 11929^2 + 1534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144654197 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 (144654137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72327098 + 72327099.

It is an arithmetic number, because the mean of its divisors is an integer number (72327099).

Almost surely, 2^144654197 is an apocalyptic number.

It is an amenable number.

144654197 is a deficient number, since it is larger than the sum of its proper divisors (1).

144654197 is an equidigital number, since it uses as much as digits as its factorization.

144654197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 144654197 is about 12027.2273197109. The cubic root of 144654197 is about 524.9408211451.

The spelling of 144654197 in words is "one hundred forty-four million, six hundred fifty-four thousand, one hundred ninety-seven".