150728643 has 24 divisors (see below), whose sum is σ = 235020240. Its totient is φ = 92537280.

The previous prime is 150728623. The next prime is 150728651. The reversal of 150728643 is 346827051.

150728643 is a `hidden beast` number, since 1 + 5 + 0 + 7 + 2 + 8 + 643 = 666.

It is not a de Polignac number, because 150728643 - 2¹⁷ = 150597571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150728598 and 150728607.

It is not an unprimeable number, because it can be changed into a prime (150728623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58288 + ... + 60818.

It is an arithmetic number, because the mean of its divisors is an integer number (9792510).

Almost surely, 2^150728643 is an apocalyptic number.

150728643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

150728643 is a deficient number, since it is larger than the sum of its proper divisors (84291597).

150728643 is a wasteful number, since it uses less digits than its factorization.

150728643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059 (or 3056 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 150728643 is about 12277.1594027283. The cubic root of 150728643 is about 532.1882272032.

The spelling of 150728643 in words is "one hundred fifty million, seven hundred twenty-eight thousand, six hundred forty-three".