150728 has 16 divisors (see below), whose sum is σ = 287280. Its totient is φ = 74128.

The previous prime is 150721. The next prime is 150743. The reversal of 150728 is 827051.

It is not an unprimeable number, because it can be changed into a prime (150721) by changing a digit.

150728 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551 + ... + 777.

It is an arithmetic number, because the mean of its divisors is an integer number (17955).

2¹⁵⁰⁷²⁸ is an apocalyptic number.

It is an amenable number.

150728 is a deficient number, since it is larger than the sum of its proper divisors (136552).

150728 is a wasteful number, since it uses less digits than its factorization.

150728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 150728 is about 388.2370409943. The cubic root of 150728 is about 53.2187470440.

Adding to 150728 its reverse (827051), we get a palindrome (977779).

It can be divided in two parts, 150 and 728, that added together give a palindrome (878).

The spelling of 150728 in words is "one hundred fifty thousand, seven hundred twenty-eight".