172248 has 16 divisors (see below), whose sum is σ = 430680. Its totient is φ = 57408.

The previous prime is 172243. The next prime is 172259. The reversal of 172248 is 842271.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 7177 = 172248 / (1 + 7 + 2 + 2 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172243) 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 3 ways as a sum of consecutive naturals, for example, 3565 + ... + 3612.

2¹⁷²²⁴⁸ is an apocalyptic number.

It is an amenable number.

172248 is an abundant number, since it is smaller than the sum of its proper divisors (258432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172248 is a wasteful number, since it uses less digits than its factorization.

172248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7186 (or 7182 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 172248 is about 415.0277099183. The cubic root of 172248 is about 55.6396935471.

It can be divided in two parts, 1722 and 48, that added together give a triangular number (1770 = T₅₉).

The spelling of 172248 in words is "one hundred seventy-two thousand, two hundred forty-eight".