148644 has 18 divisors (see below), whose sum is σ = 375830. Its totient is φ = 49536.

The previous prime is 148639. The next prime is 148663. The reversal of 148644 is 446841.

148644 is a `hidden beast` number, since 14 + 8 + 644 = 666.

148644 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 129600 + 19044 = 360^2 + 138^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a zygodrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2029 + ... + 2100.

2¹⁴⁸⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

148644 is an abundant number, since it is smaller than the sum of its proper divisors (227186).

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

148644 is a wasteful number, since it uses less digits than its factorization.

148644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139 (or 4134 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 148644 is about 385.5437718340. The cubic root of 148644 is about 52.9723363406.

The spelling of 148644 in words is "one hundred forty-eight thousand, six hundred forty-four".