151449172 has 12 divisors (see below), whose sum is σ = 302898400. Its totient is φ = 64906776.

The previous prime is 151449161. The next prime is 151449211. The reversal of 151449172 is 271944151.

151449172 is an admirable number.

It is a congruent number.

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, 2704422 + ... + 2704477.

Almost surely, 2^151449172 is an apocalyptic number.

It is an amenable number.

151449172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151449172 is a wasteful number, since it uses less digits than its factorization.

151449172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408910 (or 5408908 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 151449172 is about 12306.4687055223. The cubic root of 151449172 is about 533.0348870176.

The spelling of 151449172 in words is "one hundred fifty-one million, four hundred forty-nine thousand, one hundred seventy-two".