144522193 has 2 divisors, whose sum is σ = 144522194. Its totient is φ = 144522192.

The previous prime is 144522181. The next prime is 144522197. The reversal of 144522193 is 391225441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124701889 + 19820304 = 11167^2 + 4452^2 .

It is a cyclic number.

It is not a de Polignac number, because 144522193 - 2²⁵ = 110967761 is a prime.

It is not a weakly prime, because it can be changed into another prime (144522197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72261096 + 72261097.

It is an arithmetic number, because the mean of its divisors is an integer number (72261097).

Almost surely, 2^144522193 is an apocalyptic number.

It is an amenable number.

144522193 is a deficient number, since it is larger than the sum of its proper divisors (1).

144522193 is an equidigital number, since it uses as much as digits as its factorization.

144522193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 144522193 is about 12021.7383518358. The cubic root of 144522193 is about 524.7810945271.

The spelling of 144522193 in words is "one hundred forty-four million, five hundred twenty-two thousand, one hundred ninety-three".