148389 has 4 divisors (see below), whose sum is σ = 197856. Its totient is φ = 98924.

The previous prime is 148387. The next prime is 148399. The reversal of 148389 is 983841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148389 - 2¹ = 148387 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148381) 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, 24729 + ... + 24734.

It is an arithmetic number, because the mean of its divisors is an integer number (49464).

2¹⁴⁸³⁸⁹ is an apocalyptic number.

It is an amenable number.

148389 is a deficient number, since it is larger than the sum of its proper divisors (49467).

148389 is an equidigital number, since it uses as much as digits as its factorization.

148389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49466.

The product of its digits is 6912, while the sum is 33.

The square root of 148389 is about 385.2129281320. The cubic root of 148389 is about 52.9420275099.

The spelling of 148389 in words is "one hundred forty-eight thousand, three hundred eighty-nine".