150408728 has 8 divisors (see below), whose sum is σ = 282016380. Its totient is φ = 75204360.

The previous prime is 150408721. The next prime is 150408733. The reversal of 150408728 is 827804051.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150408721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9400538 + ... + 9400553.

Almost surely, 2^150408728 is an apocalyptic number.

It is an amenable number.

150408728 is a deficient number, since it is larger than the sum of its proper divisors (131607652).

150408728 is a wasteful number, since it uses less digits than its factorization.

150408728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18801097 (or 18801093 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 150408728 is about 12264.1236132061. The cubic root of 150408728 is about 531.8114450414.

The spelling of 150408728 in words is "one hundred fifty million, four hundred eight thousand, seven hundred twenty-eight".