172455226305 has 8 divisors (see below), whose sum is σ = 275928362112. Its totient is φ = 91976120688.

The previous prime is 172455226253. The next prime is 172455226319. The reversal of 172455226305 is 503622554271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172455226305 - 2²⁰ = 172454177729 is a prime.

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, 5748507529 + ... + 5748507558.

It is an arithmetic number, because the mean of its divisors is an integer number (34491045264).

Almost surely, 2^172455226305 is an apocalyptic number.

172455226305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172455226305 is a deficient number, since it is larger than the sum of its proper divisors (103473135807).

172455226305 is a wasteful number, since it uses less digits than its factorization.

172455226305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11497015095.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 172455226305 in words is "one hundred seventy-two billion, four hundred fifty-five million, two hundred twenty-six thousand, three hundred five".