146659 has 4 divisors (see below), whose sum is σ = 155304. Its totient is φ = 138016.

The previous prime is 146647. The next prime is 146669. The reversal of 146659 is 956641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146659 - 2¹¹ = 144611 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146659.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4297 + ... + 4330.

It is an arithmetic number, because the mean of its divisors is an integer number (38826).

2¹⁴⁶⁶⁵⁹ is an apocalyptic number.

146659 is a deficient number, since it is larger than the sum of its proper divisors (8645).

146659 is an equidigital number, since it uses as much as digits as its factorization.

146659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8644.

The product of its digits is 6480, while the sum is 31.

The square root of 146659 is about 382.9608335065. The cubic root of 146659 is about 52.7354803820.

The spelling of 146659 in words is "one hundred forty-six thousand, six hundred fifty-nine".