154231164 has 72 divisors (see below), whose sum is σ = 407730960. Its totient is φ = 49093632.

The previous prime is 154231159. The next prime is 154231171. The reversal of 154231164 is 461132451.

It is a happy number.

154231164 is a `hidden beast` number, since 1 + 542 + 3 + 116 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100507 + ... + 102029.

It is an arithmetic number, because the mean of its divisors is an integer number (5662930).

Almost surely, 2^154231164 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 154231164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203865480).

154231164 is an abundant number, since it is smaller than the sum of its proper divisors (253499796).

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

154231164 is a wasteful number, since it uses less digits than its factorization.

154231164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1654 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 154231164 is about 12418.9840164162. The cubic root of 154231164 is about 536.2789027081.

The spelling of 154231164 in words is "one hundred fifty-four million, two hundred thirty-one thousand, one hundred sixty-four".