154231 has 8 divisors (see below), whose sum is σ = 192384. Its totient is φ = 120120.

The previous prime is 154229. The next prime is 154243. The reversal of 154231 is 132451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 154231 - 2¹ = 154229 is a prime.

It is a super-2 number, since 2×154231² = 47574402722, which contains 22 as substring.

It is a Duffinian number.

154231 is a modest number, since divided by 231 gives 154 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154211) 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 7 ways as a sum of consecutive naturals, for example, 925 + ... + 1078.

It is an arithmetic number, because the mean of its divisors is an integer number (24048).

2¹⁵⁴²³¹ is an apocalyptic number.

154231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

154231 is a deficient number, since it is larger than the sum of its proper divisors (38153).

154231 is a wasteful number, since it uses less digits than its factorization.

154231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021.

The product of its digits is 120, while the sum is 16.

The square root of 154231 is about 392.7225483723. The cubic root of 154231 is about 53.6278712626.

Adding to 154231 its reverse (132451), we get a palindrome (286682).

The spelling of 154231 in words is "one hundred fifty-four thousand, two hundred thirty-one".