154455405505 has 16 divisors (see below), whose sum is σ = 185572914048. Its totient is φ = 123413472000.

The previous prime is 154455405493. The next prime is 154455405509. The reversal of 154455405505 is 505504554451.

154455405505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 154455405505 - 2³³ = 145865470913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154455405509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18580300 + ... + 18588610.

It is an arithmetic number, because the mean of its divisors is an integer number (11598307128).

Almost surely, 2^154455405505 is an apocalyptic number.

It is an amenable number.

154455405505 is a deficient number, since it is larger than the sum of its proper divisors (31117508543).

154455405505 is a wasteful number, since it uses less digits than its factorization.

154455405505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12408.

The product of its (nonzero) digits is 1000000, while the sum is 43.

Adding to 154455405505 its reverse (505504554451), we get a palindrome (659959959956).

The spelling of 154455405505 in words is "one hundred fifty-four billion, four hundred fifty-five million, four hundred five thousand, five hundred five".