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145459 is a prime number
BaseRepresentation
bin100011100000110011
321101112101
4203200303
514123314
63041231
71144036
oct434063
9241471
10145459
119a316
1270217
1351292
143b01d
152d174
hex23833

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".