172146214 has 32 divisors (see below), whose sum is σ = 275742720. Its totient is φ = 80432352.

The previous prime is 172146211. The next prime is 172146229. The reversal of 172146214 is 412641271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172146211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461332 + ... + 461704.

It is an arithmetic number, because the mean of its divisors is an integer number (8616960).

Almost surely, 2^172146214 is an apocalyptic number.

172146214 is a deficient number, since it is larger than the sum of its proper divisors (103596506).

172146214 is a wasteful number, since it uses less digits than its factorization.

172146214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its digits is 2688, while the sum is 28.

The square root of 172146214 is about 13120.4502209337. The cubic root of 172146214 is about 556.2873172120.

Adding to 172146214 its reverse (412641271), we get a palindrome (584787485).

The spelling of 172146214 in words is "one hundred seventy-two million, one hundred forty-six thousand, two hundred fourteen".