151224728 has 16 divisors (see below), whose sum is σ = 290462760. Its totient is φ = 73768000.

The previous prime is 151224713. The next prime is 151224767. The reversal of 151224728 is 827422151.

151224728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 151224694 and 151224703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230198 + ... + 230853.

Almost surely, 2^151224728 is an apocalyptic number.

It is an amenable number.

151224728 is a deficient number, since it is larger than the sum of its proper divisors (139238032).

151224728 is a wasteful number, since it uses less digits than its factorization.

151224728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461098 (or 461094 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 151224728 is about 12297.3463804188. The cubic root of 151224728 is about 532.7714419098.

Adding to 151224728 its reverse (827422151), we get a palindrome (978646879).

The spelling of 151224728 in words is "one hundred fifty-one million, two hundred twenty-four thousand, seven hundred twenty-eight".