150731228 has 12 divisors (see below), whose sum is σ = 264042240. Its totient is φ = 75290592.

The previous prime is 150731219. The next prime is 150731291. The reversal of 150731228 is 822137051.

It is a self number, because there is not a number n which added to its sum of digits gives 150731228.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14108 + ... + 22371.

It is an arithmetic number, because the mean of its divisors is an integer number (22003520).

Almost surely, 2^150731228 is an apocalyptic number.

It is an amenable number.

150731228 is a deficient number, since it is larger than the sum of its proper divisors (113311012).

150731228 is a wasteful number, since it uses less digits than its factorization.

150731228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37516 (or 37514 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 150731228 is about 12277.2646790725. The cubic root of 150731228 is about 532.1912695330.

Adding to 150731228 its reverse (822137051), we get a palindrome (972868279).

The spelling of 150731228 in words is "one hundred fifty million, seven hundred thirty-one thousand, two hundred twenty-eight".