148117 has 4 divisors (see below), whose sum is σ = 150220. Its totient is φ = 146016.

The previous prime is 148091. The next prime is 148123. The reversal of 148117 is 711841.

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

It can be written as a sum of positive squares in 2 ways, for example, as 125316 + 22801 = 354^2 + 151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148147) by changing a digit.

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, 942 + ... + 1087.

It is an arithmetic number, because the mean of its divisors is an integer number (37555).

2¹⁴⁸¹¹⁷ is an apocalyptic number.

It is an amenable number.

148117 is a deficient number, since it is larger than the sum of its proper divisors (2103).

148117 is an equidigital number, since it uses as much as digits as its factorization.

148117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102.

The product of its digits is 224, while the sum is 22.

The square root of 148117 is about 384.8597147013. The cubic root of 148117 is about 52.9096597938.

Adding to 148117 its reverse (711841), we get a palindrome (859958).

The spelling of 148117 in words is "one hundred forty-eight thousand, one hundred seventeen".