172442300 has 18 divisors (see below), whose sum is σ = 374200008. Its totient is φ = 68976880.

The previous prime is 172442287. The next prime is 172442321. The reversal of 172442300 is 3244271.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 862112 + ... + 862311.

Almost surely, 2^172442300 is an apocalyptic number.

172442300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172442300 is an abundant number, since it is smaller than the sum of its proper divisors (201757708).

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

172442300 is a wasteful number, since it uses less digits than its factorization.

172442300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724437 (or 1724430 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 172442300 is about 13131.7287513868. The cubic root of 172442300 is about 556.6060666858.

Adding to 172442300 its reverse (3244271), we get a palindrome (175686571).

The spelling of 172442300 in words is "one hundred seventy-two million, four hundred forty-two thousand, three hundred".