154223 has 4 divisors (see below), whose sum is σ = 162360. Its totient is φ = 146088.

The previous prime is 154213. The next prime is 154229. The reversal of 154223 is 322451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322451 = 29 ⋅11119.

It is a cyclic number.

It is not a de Polignac number, because 154223 - 2⁶ = 154159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 154223.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4040 + ... + 4077.

It is an arithmetic number, because the mean of its divisors is an integer number (40590).

2¹⁵⁴²²³ is an apocalyptic number.

154223 is a deficient number, since it is larger than the sum of its proper divisors (8137).

154223 is an equidigital number, since it uses as much as digits as its factorization.

154223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136.

The product of its digits is 240, while the sum is 17.

The square root of 154223 is about 392.7123629325. The cubic root of 154223 is about 53.6269440163.

Adding to 154223 its reverse (322451), we get a palindrome (476674).

The spelling of 154223 in words is "one hundred fifty-four thousand, two hundred twenty-three".