154540404 has 72 divisors (see below), whose sum is σ = 431645760. Its totient is φ = 46371072.

The previous prime is 154540367. The next prime is 154540417. The reversal of 154540404 is 404045451.

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, 8587 + ... + 19565.

It is an arithmetic number, because the mean of its divisors is an integer number (5995080).

Almost surely, 2^154540404 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 154540404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215822880).

154540404 is an abundant number, since it is smaller than the sum of its proper divisors (277105356).

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

154540404 is a wasteful number, since it uses less digits than its factorization.

154540404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11029 (or 11024 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 154540404 is about 12431.4280756476. The cubic root of 154540404 is about 536.6370840442.

Adding to 154540404 its reverse (404045451), we get a palindrome (558585855).

The spelling of 154540404 in words is "one hundred fifty-four million, five hundred forty thousand, four hundred four".