172150530 has 16 divisors (see below), whose sum is σ = 413161344. Its totient is φ = 45906800.

The previous prime is 172150499. The next prime is 172150541. The reversal of 172150530 is 35051271.

It is a self number, because there is not a number n which added to its sum of digits gives 172150530.

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 7 ways as a sum of consecutive naturals, for example, 2869146 + ... + 2869205.

It is an arithmetic number, because the mean of its divisors is an integer number (25822584).

Almost surely, 2^172150530 is an apocalyptic number.

172150530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172150530 is an abundant number, since it is smaller than the sum of its proper divisors (241010814).

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

172150530 is a wasteful number, since it uses less digits than its factorization.

172150530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738361.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 172150530 is about 13120.6146959660. The cubic root of 172150530 is about 556.2919661979.

The spelling of 172150530 in words is "one hundred seventy-two million, one hundred fifty thousand, five hundred thirty".