172298144 has 24 divisors (see below), whose sum is σ = 339508260. Its totient is φ = 86073856.

The previous prime is 172298117. The next prime is 172298173. The reversal of 172298144 is 441892271.

It is a happy number.

172298144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 168688144 + 3610000 = 12988^2 + 1900^2 .

It is a junction number, because it is equal to n+sod(n) for n = 172298098 and 172298107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61772 + ... + 64500.

Almost surely, 2^172298144 is an apocalyptic number.

It is an amenable number.

172298144 is a deficient number, since it is larger than the sum of its proper divisors (167210116).

172298144 is a wasteful number, since it uses less digits than its factorization.

172298144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712 (or 4704 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 172298144 is about 13126.2387605894. The cubic root of 172298144 is about 556.4509220889.

The spelling of 172298144 in words is "one hundred seventy-two million, two hundred ninety-eight thousand, one hundred forty-four".