172306453145 has 8 divisors (see below), whose sum is σ = 206801973504. Its totient is φ = 137822342704.

The previous prime is 172306453141. The next prime is 172306453153. The reversal of 172306453145 is 541354603271.

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

It is a cyclic number.

It is not a de Polignac number, because 172306453145 - 2² = 172306453141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (172306453141) by changing a digit.

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, 2819219 + ... + 2879688.

It is an arithmetic number, because the mean of its divisors is an integer number (25850246688).

Almost surely, 2^172306453145 is an apocalyptic number.

It is an amenable number.

172306453145 is a deficient number, since it is larger than the sum of its proper divisors (34495520359).

172306453145 is an equidigital number, since it uses as much as digits as its factorization.

172306453145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704959.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 172306453145 in words is "one hundred seventy-two billion, three hundred six million, four hundred fifty-three thousand, one hundred forty-five".