151217156 has 6 divisors (see below), whose sum is σ = 264630030. Its totient is φ = 75608576.

The previous prime is 151217153. The next prime is 151217161. The reversal of 151217156 is 651712151.

It can be written as a sum of positive squares in only one way, i.e., 151044100 + 173056 = 12290^2 + 416^2 .

It is not an unprimeable number, because it can be changed into a prime (151217153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18902141 + ... + 18902148.

It is an arithmetic number, because the mean of its divisors is an integer number (44105005).

Almost surely, 2^151217156 is an apocalyptic number.

It is an amenable number.

151217156 is a deficient number, since it is larger than the sum of its proper divisors (113412874).

151217156 is a wasteful number, since it uses less digits than its factorization.

151217156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37804293 (or 37804291 counting only the distinct ones).

The product of its digits is 2100, while the sum is 29.

The square root of 151217156 is about 12297.0385052662. The cubic root of 151217156 is about 532.7625495971.

The spelling of 151217156 in words is "one hundred fifty-one million, two hundred seventeen thousand, one hundred fifty-six".