145193 has 2 divisors, whose sum is σ = 145194. Its totient is φ = 145192.

The previous prime is 145177. The next prime is 145207. The reversal of 145193 is 391541.

It is a happy number.

145193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110224 + 34969 = 332^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 145193 - 2⁴ = 145177 is a prime.

It is not a weakly prime, because it can be changed into another prime (145133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72596 + 72597.

It is an arithmetic number, because the mean of its divisors is an integer number (72597).

2¹⁴⁵¹⁹³ is an apocalyptic number.

It is an amenable number.

145193 is a deficient number, since it is larger than the sum of its proper divisors (1).

145193 is an equidigital number, since it uses as much as digits as its factorization.

145193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 23.

The square root of 145193 is about 381.0419924365. The cubic root of 145193 is about 52.5591774129.

The spelling of 145193 in words is "one hundred forty-five thousand, one hundred ninety-three".