154401 has 16 divisors (see below), whose sum is σ = 229824. Its totient is φ = 91584.

The previous prime is 154387. The next prime is 154409. The reversal of 154401 is 104451.

It is not a de Polignac number, because 154401 - 2⁵ = 154369 is a prime.

154401 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390 + ... + 1496.

It is an arithmetic number, because the mean of its divisors is an integer number (14364).

2¹⁵⁴⁴⁰¹ is an apocalyptic number.

154401 is the 321-st pentagonal number.

It is an amenable number.

154401 is a deficient number, since it is larger than the sum of its proper divisors (75423).

154401 is a wasteful number, since it uses less digits than its factorization.

154401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 154401 is about 392.9389265522. The cubic root of 154401 is about 53.6475676715.

Adding to 154401 its reverse (104451), we get a palindrome (258852).

It can be divided in two parts, 154 and 401, that added together give a palindrome (555).

The spelling of 154401 in words is "one hundred fifty-four thousand, four hundred one".