148165 has 4 divisors (see below), whose sum is σ = 177804. Its totient is φ = 118528.

The previous prime is 148157. The next prime is 148171. The reversal of 148165 is 561841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561841 = 7 ⋅80263.

It can be written as a sum of positive squares in 2 ways, for example, as 113569 + 34596 = 337^2 + 186^2 .

It is a cyclic number.

It is not a de Polignac number, because 148165 - 2³ = 148157 is a prime.

It is a Duffinian number.

148165 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 14812 + ... + 14821.

It is an arithmetic number, because the mean of its divisors is an integer number (44451).

2¹⁴⁸¹⁶⁵ is an apocalyptic number.

It is an amenable number.

148165 is a deficient number, since it is larger than the sum of its proper divisors (29639).

148165 is an equidigital number, since it uses as much as digits as its factorization.

148165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29638.

The product of its digits is 960, while the sum is 25.

The square root of 148165 is about 384.9220700350. The cubic root of 148165 is about 52.9153746214.

It can be divided in two parts, 148 and 165, that added together give a palindrome (313).

The spelling of 148165 in words is "one hundred forty-eight thousand, one hundred sixty-five".