146805 has 8 divisors (see below), whose sum is σ = 234912. Its totient is φ = 78288.

The previous prime is 146801. The next prime is 146807. The reversal of 146805 is 508641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146805 - 2² = 146801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146801) 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 in 7 ways as a sum of consecutive naturals, for example, 4879 + ... + 4908.

It is an arithmetic number, because the mean of its divisors is an integer number (29364).

2¹⁴⁶⁸⁰⁵ is an apocalyptic number.

146805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146805 is a deficient number, since it is larger than the sum of its proper divisors (88107).

146805 is an equidigital number, since it uses as much as digits as its factorization.

146805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9795.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 146805 is about 383.1514061047. The cubic root of 146805 is about 52.7529740842.

The spelling of 146805 in words is "one hundred forty-six thousand, eight hundred five".