151315227 has 24 divisors (see below), whose sum is σ = 252135936. Its totient is φ = 85653936.

The previous prime is 151315223. The next prime is 151315273. The reversal of 151315227 is 722513151.

151315227 is a `hidden beast` number, since 1 + 5 + 131 + 522 + 7 = 666.

It is not a de Polignac number, because 151315227 - 2² = 151315223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151315227.

It is not an unprimeable number, because it can be changed into a prime (151315223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4483 + ... + 17964.

It is an arithmetic number, because the mean of its divisors is an integer number (10505664).

Almost surely, 2^151315227 is an apocalyptic number.

151315227 is a deficient number, since it is larger than the sum of its proper divisors (100820709).

151315227 is a wasteful number, since it uses less digits than its factorization.

151315227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22567 (or 22564 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 151315227 is about 12301.0254450594. The cubic root of 151315227 is about 532.8776980504.

Adding to 151315227 its reverse (722513151), we get a palindrome (873828378).

The spelling of 151315227 in words is "one hundred fifty-one million, three hundred fifteen thousand, two hundred twenty-seven".