154413565540 has 24 divisors (see below), whose sum is σ = 349212218040. Its totient is φ = 57014239488.

The previous prime is 154413565531. The next prime is 154413565571. The reversal of 154413565540 is 45565314451.

It can be written as a sum of positive squares in 4 ways, for example, as 4299162624 + 150114402916 = 65568^2 + 387446^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296948905 + ... + 296949424.

It is an arithmetic number, because the mean of its divisors is an integer number (14550509085).

Almost surely, 2^154413565540 is an apocalyptic number.

154413565540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154413565540 is an abundant number, since it is smaller than the sum of its proper divisors (194798652500).

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

154413565540 is a wasteful number, since it uses less digits than its factorization.

154413565540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593898351 (or 593898349 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

Adding to 154413565540 its reverse (45565314451), we get a palindrome (199978879991).

The spelling of 154413565540 in words is "one hundred fifty-four billion, four hundred thirteen million, five hundred sixty-five thousand, five hundred forty".