148787 has 4 divisors (see below), whose sum is σ = 155280. Its totient is φ = 142296.

The previous prime is 148783. The next prime is 148793. The reversal of 148787 is 787841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148787 - 2² = 148783 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 3212 + ... + 3257.

It is an arithmetic number, because the mean of its divisors is an integer number (38820).

2¹⁴⁸⁷⁸⁷ is an apocalyptic number.

148787 is a deficient number, since it is larger than the sum of its proper divisors (6493).

148787 is an equidigital number, since it uses as much as digits as its factorization.

148787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492.

The product of its digits is 12544, while the sum is 35.

The square root of 148787 is about 385.7291796066. The cubic root of 148787 is about 52.9893178899.

The spelling of 148787 in words is "one hundred forty-eight thousand, seven hundred eighty-seven".