146905 has 8 divisors (see below), whose sum is σ = 192384. Its totient is φ = 106800.

The previous prime is 146893. The next prime is 146917. The reversal of 146905 is 509641.

It is an interprime number because it is at equal distance from previous prime (146893) and next prime (146917).

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

It is not a de Polignac number, because 146905 - 2⁷ = 146777 is a prime.

It is a Duffinian number.

146905 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 146905.

It is an unprimeable number.

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, 1281 + ... + 1390.

It is an arithmetic number, because the mean of its divisors is an integer number (24048).

2¹⁴⁶⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

146905 is a deficient number, since it is larger than the sum of its proper divisors (45479).

146905 is a wasteful number, since it uses less digits than its factorization.

146905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 146905 is about 383.2818806049. The cubic root of 146905 is about 52.7649493803.

The spelling of 146905 in words is "one hundred forty-six thousand, nine hundred five".