147859 has 2 divisors, whose sum is σ = 147860.
Its totient is φ = 147858.
The previous prime is 147853. The next prime is 147863. The reversal of 147859 is 958741.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 147859 - 25 = 147827 is a prime.
It is not a weakly prime, because it can be changed into another prime (147853) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73929 + 73930.
It is an arithmetic number, because the mean of its divisors is an integer number (73930).
2147859 is an apocalyptic number.
147859 is a deficient number, since it is larger than the sum of its proper divisors (1).
147859 is an equidigital number, since it uses as much as digits as its factorization.
147859 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 10080, while the sum is 34.
The square root of 147859 is about 384.5243815417.
The cubic root of 147859 is about 52.8789214230.
The spelling of 147859 in words is "one hundred forty-seven thousand, eight hundred fifty-nine".