154224 has 100 divisors (see below), whose sum is σ = 540144. Its totient is φ = 41472.

The previous prime is 154213. The next prime is 154229. The reversal of 154224 is 422451.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 154197 and 154206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154229) by changing a digit.

154224 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9064 + ... + 9080.

2¹⁵⁴²²⁴ is an apocalyptic number.

154224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270072).

154224 is an abundant number, since it is smaller than the sum of its proper divisors (385920).

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

154224 is a wasteful number, since it uses less digits than its factorization.

154224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44 (or 29 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 154224 is about 392.7136361269. The cubic root of 154224 is about 53.6270599238.

Adding to 154224 its reverse (422451), we get a palindrome (576675).

It can be divided in two parts, 154 and 224, that added together give a triangular number (378 = T₂₇).

The spelling of 154224 in words is "one hundred fifty-four thousand, two hundred twenty-four".