148789 has 8 divisors (see below), whose sum is σ = 161280. Its totient is φ = 136800.

The previous prime is 148783. The next prime is 148793. The reversal of 148789 is 987841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148789 - 2³ = 148781 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 684 + ... + 874.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2¹⁴⁸⁷⁸⁹ is an apocalyptic number.

148789 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

148789 is a deficient number, since it is larger than the sum of its proper divisors (12491).

148789 is a wasteful number, since it uses less digits than its factorization.

148789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251.

The product of its digits is 16128, while the sum is 37.

The square root of 148789 is about 385.7317720904. The cubic root of 148789 is about 52.9895553169.

The spelling of 148789 in words is "one hundred forty-eight thousand, seven hundred eighty-nine".