172305150 has 24 divisors (see below), whose sum is σ = 427317144. Its totient is φ = 45948000.

The previous prime is 172305137. The next prime is 172305197. The reversal of 172305150 is 51503271.

It is a self number, because there is not a number n which added to its sum of digits gives 172305150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 574201 + ... + 574500.

It is an arithmetic number, because the mean of its divisors is an integer number (17804881).

Almost surely, 2^172305150 is an apocalyptic number.

172305150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172305150 is an abundant number, since it is smaller than the sum of its proper divisors (255011994).

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

172305150 is a wasteful number, since it uses less digits than its factorization.

172305150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148716 (or 1148711 counting only the distinct ones).

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

The square root of 172305150 is about 13126.5056279270. The cubic root of 172305150 is about 556.4584641364.

The spelling of 172305150 in words is "one hundred seventy-two million, three hundred five thousand, one hundred fifty".