148785 has 32 divisors (see below), whose sum is σ = 295680. Its totient is φ = 62208.

The previous prime is 148783. The next prime is 148793. The reversal of 148785 is 587841.

It is a happy number.

148785 is a nontrivial binomial coefficient, being equal to C(546, 2).

It is not a de Polignac number, because 148785 - 2¹ = 148783 is a prime.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1311 + ... + 1419.

It is an arithmetic number, because the mean of its divisors is an integer number (9240).

2¹⁴⁸⁷⁸⁵ is an apocalyptic number.

148785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

148785 is the 545-th triangular number and also the 273-rd hexagonal number.

It is an amenable number.

148785 is a deficient number, since it is larger than the sum of its proper divisors (146895).

148785 is a wasteful number, since it uses less digits than its factorization.

148785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137.

The product of its digits is 8960, while the sum is 33.

The square root of 148785 is about 385.7265871054. The cubic root of 148785 is about 52.9890804607.

The spelling of 148785 in words is "one hundred forty-eight thousand, seven hundred eighty-five".