172152150 has 48 divisors (see below), whose sum is σ = 428503824. Its totient is φ = 45738880.

The previous prime is 172152143. The next prime is 172152161. The reversal of 172152150 is 51251271.

It is a self number, because there is not a number n which added to its sum of digits gives 172152150.

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 23 ways as a sum of consecutive naturals, for example, 41992 + ... + 45908.

It is an arithmetic number, because the mean of its divisors is an integer number (8927163).

Almost surely, 2^172152150 is an apocalyptic number.

172152150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 172152150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214251912).

172152150 is an abundant number, since it is smaller than the sum of its proper divisors (256351674).

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

172152150 is a wasteful number, since it uses less digits than its factorization.

172152150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 172152150 is about 13120.6764307333. The cubic root of 172152150 is about 556.2937111633.

The spelling of 172152150 in words is "one hundred seventy-two million, one hundred fifty-two thousand, one hundred fifty".