172442046 has 16 divisors (see below), whose sum is σ = 394153344. Its totient is φ = 49269144.

The previous prime is 172442009. The next prime is 172442077. The reversal of 172442046 is 640244271.

172442046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×172442046² = 59472518457332232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052840 + ... + 2052923.

It is an arithmetic number, because the mean of its divisors is an integer number (24634584).

Almost surely, 2^172442046 is an apocalyptic number.

172442046 is an abundant number, since it is smaller than the sum of its proper divisors (221711298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172442046 is a wasteful number, since it uses less digits than its factorization.

172442046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105775.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 172442046 is about 13131.7190801509. The cubic root of 172442046 is about 556.6057934001.

The spelling of 172442046 in words is "one hundred seventy-two million, four hundred forty-two thousand, forty-six".