144453193 has 2 divisors, whose sum is σ = 144453194. Its totient is φ = 144453192.

The previous prime is 144453187. The next prime is 144453223. The reversal of 144453193 is 391354441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106667584 + 37785609 = 10328^2 + 6147^2 .

It is an emirp because it is prime and its reverse (391354441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144453193 - 2⁵ = 144453161 is a prime.

It is not a weakly prime, because it can be changed into another prime (144450193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72226596 + 72226597.

It is an arithmetic number, because the mean of its divisors is an integer number (72226597).

Almost surely, 2^144453193 is an apocalyptic number.

It is an amenable number.

144453193 is a deficient number, since it is larger than the sum of its proper divisors (1).

144453193 is an equidigital number, since it uses as much as digits as its factorization.

144453193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 144453193 is about 12018.8682079470. The cubic root of 144453193 is about 524.6975648885.

The spelling of 144453193 in words is "one hundred forty-four million, four hundred fifty-three thousand, one hundred ninety-three".