151971172 has 12 divisors (see below), whose sum is σ = 266036400. Its totient is φ = 75960776.

The previous prime is 151971167. The next prime is 151971187. The reversal of 151971172 is 271179151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18579 + ... + 25477.

It is an arithmetic number, because the mean of its divisors is an integer number (22169700).

Almost surely, 2^151971172 is an apocalyptic number.

It is an amenable number.

151971172 is a deficient number, since it is larger than the sum of its proper divisors (114065228).

151971172 is a wasteful number, since it uses less digits than its factorization.

151971172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12410 (or 12408 counting only the distinct ones).

The product of its digits is 4410, while the sum is 34.

The square root of 151971172 is about 12327.6588207169. The cubic root of 151971172 is about 533.6465887153.

The spelling of 151971172 in words is "one hundred fifty-one million, nine hundred seventy-one thousand, one hundred seventy-two".