146505 has 8 divisors (see below), whose sum is σ = 234432. Its totient is φ = 78128.

The previous prime is 146477. The next prime is 146513. The reversal of 146505 is 505641.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 146505 - 2⁸ = 146249 is a prime.

It is an Ulam number.

146505 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 146505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4869 + ... + 4898.

It is an arithmetic number, because the mean of its divisors is an integer number (29304).

2¹⁴⁶⁵⁰⁵ is an apocalyptic number.

146505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146505 is a deficient number, since it is larger than the sum of its proper divisors (87927).

146505 is an equidigital number, since it uses as much as digits as its factorization.

146505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9775.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 146505 is about 382.7597157487. The cubic root of 146505 is about 52.7170155344.

The spelling of 146505 in words is "one hundred forty-six thousand, five hundred five".