150224728 has 8 divisors (see below), whose sum is σ = 281671380. Its totient is φ = 75112360.

The previous prime is 150224719. The next prime is 150224731. The reversal of 150224728 is 827422051.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 150224728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9389038 + ... + 9389053.

Almost surely, 2^150224728 is an apocalyptic number.

It is an amenable number.

150224728 is a deficient number, since it is larger than the sum of its proper divisors (131446652).

150224728 is a wasteful number, since it uses less digits than its factorization.

150224728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18778097 (or 18778093 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 150224728 is about 12256.6197623978. The cubic root of 150224728 is about 531.5944956734.

Adding to 150224728 its reverse (827422051), we get a palindrome (977646779).

The spelling of 150224728 in words is "one hundred fifty million, two hundred twenty-four thousand, seven hundred twenty-eight".