148278 has 16 divisors (see below), whose sum is σ = 319536. Its totient is φ = 45600.

The previous prime is 148249. The next prime is 148279. The reversal of 148278 is 872841.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 148278.

It is not an unprimeable number, because it can be changed into a prime (148279) by changing a digit.

148278 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873 + ... + 1028.

It is an arithmetic number, because the mean of its divisors is an integer number (19971).

2¹⁴⁸²⁷⁸ is an apocalyptic number.

148278 is an abundant number, since it is smaller than the sum of its proper divisors (171258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148278 is a wasteful number, since it uses less digits than its factorization.

148278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919.

The product of its digits is 3584, while the sum is 30.

The square root of 148278 is about 385.0688250170. The cubic root of 148278 is about 52.9288234068.

The spelling of 148278 in words is "one hundred forty-eight thousand, two hundred seventy-eight".