145459 has 2 divisors, whose sum is σ = 145460. Its totient is φ = 145458.
The previous prime is 145451. The next prime is 145463. The reversal of 145459 is 954541.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 145459 - 23 = 145451 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (145451) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72729 + 72730.
It is an arithmetic number, because the mean of its divisors is an integer number (72730).
2145459 is an apocalyptic number.
145459 is a deficient number, since it is larger than the sum of its proper divisors (1).
145459 is an equidigital number, since it uses as much as digits as its factorization.
145459 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3600, while the sum is 28.
The square root of 145459 is about 381.3908756119. The cubic root of 145459 is about 52.5912547447.
The spelling of 145459 in words is "one hundred forty-five thousand, four hundred fifty-nine".
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