148784 has 20 divisors (see below), whose sum is σ = 305784. Its totient is φ = 69888.

The previous prime is 148783. The next prime is 148793. The reversal of 148784 is 487841.

148784 is nontrivially palindromic in base 3.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 148784.

It is not an unprimeable number, because it can be changed into a prime (148781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2 + ... + 545.

2¹⁴⁸⁷⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152892).

148784 is an abundant number, since it is smaller than the sum of its proper divisors (157000).

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

148784 is a wasteful number, since it uses less digits than its factorization.

148784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 566 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 148784 is about 385.7252908483. The cubic root of 148784 is about 52.9889617454.

The spelling of 148784 in words is "one hundred forty-eight thousand, seven hundred eighty-four".