150728769 has 28 divisors (see below), whose sum is σ = 227344000. Its totient is φ = 99884664.

The previous prime is 150728759. The next prime is 150728777. The reversal of 150728769 is 967827051.

150728769 is a `hidden beast` number, since 1 + 507 + 2 + 87 + 69 = 666.

150728769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 150728769 - 2⁵ = 150728737 is a prime.

It is a super-2 number, since 2×150728769² = 45438323608510722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (150728759) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 144552 + ... + 145590.

Almost surely, 2^150728769 is an apocalyptic number.

It is an amenable number.

150728769 is a deficient number, since it is larger than the sum of its proper divisors (76615231).

150728769 is an equidigital number, since it uses as much as digits as its factorization.

150728769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 150728769 is about 12277.1645342074. The cubic root of 150728769 is about 532.1883754955.

It can be divided in two parts, 1507 and 28769, that added together give a square (30276 = 174²).

The spelling of 150728769 in words is "one hundred fifty million, seven hundred twenty-eight thousand, seven hundred sixty-nine".