217148 has 6 divisors (see below), whose sum is σ = 380016. Its totient is φ = 108572.

The previous prime is 217121. The next prime is 217157. The reversal of 217148 is 841712.

217148 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27140 + ... + 27147.

It is an arithmetic number, because the mean of its divisors is an integer number (63336).

2²¹⁷¹⁴⁸ is an apocalyptic number.

It is an amenable number.

217148 is a deficient number, since it is larger than the sum of its proper divisors (162868).

217148 is a wasteful number, since it uses less digits than its factorization.

217148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54291 (or 54289 counting only the distinct ones).

The product of its digits is 448, while the sum is 23.

The square root of 217148 is about 465.9914162300. The cubic root of 217148 is about 60.1061085353.

The spelling of 217148 in words is "two hundred seventeen thousand, one hundred forty-eight".