172655427445 has 32 divisors (see below), whose sum is σ = 218322542592. Its totient is φ = 130824631872.

The previous prime is 172655427401. The next prime is 172655427449. The reversal of 172655427445 is 544724556271.

172655427445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 172655427445 - 2⁷ = 172655427317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172655427392 and 172655427401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172655427449) 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 31 ways as a sum of consecutive naturals, for example, 5033824 + ... + 5068006.

It is an arithmetic number, because the mean of its divisors is an integer number (6822579456).

Almost surely, 2^172655427445 is an apocalyptic number.

It is an amenable number.

172655427445 is a deficient number, since it is larger than the sum of its proper divisors (45667115147).

172655427445 is a wasteful number, since it uses less digits than its factorization.

172655427445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34641.

The product of its digits is 9408000, while the sum is 52.

The spelling of 172655427445 in words is "one hundred seventy-two billion, six hundred fifty-five million, four hundred twenty-seven thousand, four hundred forty-five".