150999728 has 20 divisors (see below), whose sum is σ = 319158888. Its totient is φ = 68636160.

The previous prime is 150999727. The next prime is 150999733. The reversal of 150999728 is 827999051.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (150999727) by changing a digit.

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, 428801 + ... + 429152.

Almost surely, 2^150999728 is an apocalyptic number.

It is an amenable number.

150999728 is an abundant number, since it is smaller than the sum of its proper divisors (168159160).

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

150999728 is a wasteful number, since it uses less digits than its factorization.

150999728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857972 (or 857966 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 50.

The square root of 150999728 is about 12288.1946599165. The cubic root of 150999728 is about 532.5070824218.

The spelling of 150999728 in words is "one hundred fifty million, nine hundred ninety-nine thousand, seven hundred twenty-eight".