148281 has 16 divisors (see below), whose sum is σ = 236544. Its totient is φ = 80784.

The previous prime is 148279. The next prime is 148301. The reversal of 148281 is 182841.

It is not a de Polignac number, because 148281 - 2¹ = 148279 is a prime.

It is a super-2 number, since 2×148281² = 43974509922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330 + ... + 636.

It is an arithmetic number, because the mean of its divisors is an integer number (14784).

2¹⁴⁸²⁸¹ is an apocalyptic number.

It is an amenable number.

148281 is a deficient number, since it is larger than the sum of its proper divisors (88263).

148281 is a wasteful number, since it uses less digits than its factorization.

148281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its digits is 512, while the sum is 24.

The square root of 148281 is about 385.0727204049. The cubic root of 148281 is about 52.9291803611.

The spelling of 148281 in words is "one hundred forty-eight thousand, two hundred eighty-one".