148181 has 8 divisors (see below), whose sum is σ = 170400. Its totient is φ = 127440.

The previous prime is 148171. The next prime is 148193. The reversal of 148181 is 181841.

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 148181 - 2¹⁴ = 131797 is a prime.

It is a super-2 number, since 2×148181² = 43915217522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146 + ... + 563.

It is an arithmetic number, because the mean of its divisors is an integer number (21300).

2¹⁴⁸¹⁸¹ is an apocalyptic number.

148181 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

148181 is a deficient number, since it is larger than the sum of its proper divisors (22219).

148181 is a wasteful number, since it uses less digits than its factorization.

148181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739.

The product of its digits is 256, while the sum is 23.

The square root of 148181 is about 384.9428529016. The cubic root of 148181 is about 52.9172792897.

The spelling of 148181 in words is "one hundred forty-eight thousand, one hundred eighty-one".