150047172 has 72 divisors (see below), whose sum is σ = 416707200. Its totient is φ = 45145920.

The previous prime is 150047153. The next prime is 150047213. The reversal of 150047172 is 271740051.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57733 + ... + 60275.

It is an arithmetic number, because the mean of its divisors is an integer number (5787600).

Almost surely, 2^150047172 is an apocalyptic number.

150047172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150047172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208353600).

150047172 is an abundant number, since it is smaller than the sum of its proper divisors (266660028).

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

150047172 is a wasteful number, since it uses less digits than its factorization.

150047172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713 (or 2708 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 150047172 is about 12249.3743513700. The cubic root of 150047172 is about 531.3849762316.

The spelling of 150047172 in words is "one hundred fifty million, forty-seven thousand, one hundred seventy-two".