172443952 has 20 divisors (see below), whose sum is σ = 334878120. Its totient is φ = 86023808.

The previous prime is 172443913. The next prime is 172443959. The reversal of 172443952 is 259344271.

It is not an unprimeable number, because it can be changed into a prime (172443959) by changing a digit.

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, 5077 + ... + 19252.

It is an arithmetic number, because the mean of its divisors is an integer number (16743906).

Almost surely, 2^172443952 is an apocalyptic number.

It is an amenable number.

172443952 is a deficient number, since it is larger than the sum of its proper divisors (162434168).

172443952 is a wasteful number, since it uses less digits than its factorization.

172443952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24780 (or 24774 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 172443952 is about 13131.7916523222. The cubic root of 172443952 is about 556.6078441118.

The spelling of 172443952 in words is "one hundred seventy-two million, four hundred forty-three thousand, nine hundred fifty-two".