154427 has 8 divisors (see below), whose sum is σ = 190176. Its totient is φ = 122112.

The previous prime is 154423. The next prime is 154439. The reversal of 154427 is 724451.

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

It is a cyclic number.

It is not a de Polignac number, because 154427 - 2² = 154423 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (154423) 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, 758 + ... + 939.

It is an arithmetic number, because the mean of its divisors is an integer number (23772).

2¹⁵⁴⁴²⁷ is an apocalyptic number.

154427 is a deficient number, since it is larger than the sum of its proper divisors (35749).

154427 is a wasteful number, since it uses less digits than its factorization.

154427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717.

The product of its digits is 1120, while the sum is 23.

The square root of 154427 is about 392.9720091813. The cubic root of 154427 is about 53.6505787886.

Adding to 154427 its reverse (724451), we get a palindrome (878878).

The spelling of 154427 in words is "one hundred fifty-four thousand, four hundred twenty-seven".