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161459 is a prime number
BaseRepresentation
bin100111011010110011
322012110222
4213122303
520131314
63243255
71241504
oct473263
9265428
10161459
11100341
127952b
135864c
1442bab
1532c8e
hex276b3

161459 has 2 divisors, whose sum is σ = 161460. Its totient is φ = 161458.

The previous prime is 161453. The next prime is 161461. The reversal of 161459 is 954161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161459 - 212 = 157363 is a prime.

It is a Sophie Germain prime.

Together with 161461, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161459.

It is not a weakly prime, because it can be changed into another prime (161453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80729 + 80730.

It is an arithmetic number, because the mean of its divisors is an integer number (80730).

2161459 is an apocalyptic number.

161459 is a deficient number, since it is larger than the sum of its proper divisors (1).

161459 is an equidigital number, since it uses as much as digits as its factorization.

161459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 26.

The square root of 161459 is about 401.8196112685. The cubic root of 161459 is about 54.4528672547.

The spelling of 161459 in words is "one hundred sixty-one thousand, four hundred fifty-nine".