172445142013042 has 32 divisors (see below), whose sum is σ = 265957200724032. Its totient is φ = 83797990081344.

The previous prime is 172445142013009. The next prime is 172445142013051. The reversal of 172445142013042 is 240310241544271.

It is a junction number, because it is equal to n+sod(n) for n = 172445142012986 and 172445142013004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1152918553 + ... + 1153068115.

It is an arithmetic number, because the mean of its divisors is an integer number (8311162522626).

Almost surely, 2^{172445142013042} is an apocalyptic number.

172445142013042 is a deficient number, since it is larger than the sum of its proper divisors (93512058710990).

172445142013042 is a wasteful number, since it uses less digits than its factorization.

172445142013042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167002.

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 172445142013042 in words is "one hundred seventy-two trillion, four hundred forty-five billion, one hundred forty-two million, thirteen thousand, forty-two".