154432 has 28 divisors (see below), whose sum is σ = 325120. Its totient is φ = 72576.

The previous prime is 154423. The next prime is 154439. The reversal of 154432 is 234451.

154432 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154439) 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, 1153 + ... + 1279.

2¹⁵⁴⁴³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162560).

154432 is an abundant number, since it is smaller than the sum of its proper divisors (170688).

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

154432 is a wasteful number, since it uses less digits than its factorization.

154432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 148 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 154432 is about 392.9783709061. The cubic root of 154432 is about 53.6511578109.

Adding to 154432 its sum of digits (19), we get a palindrome (154451).

154432 divided by its sum of digits (19) gives a triangular number (8128 = T₁₂₇).

Adding to 154432 its reverse (234451), we get a palindrome (388883).

The spelling of 154432 in words is "one hundred fifty-four thousand, four hundred thirty-two".