151967172 has 24 divisors (see below), whose sum is σ = 405246016. Its totient is φ = 43419168.

The previous prime is 151967147. The next prime is 151967173. The reversal of 151967172 is 271769151.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 151967172.

It is not an unprimeable number, because it can be changed into a prime (151967173) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 904483 + ... + 904650.

Almost surely, 2^151967172 is an apocalyptic number.

151967172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151967172 is an abundant number, since it is smaller than the sum of its proper divisors (253278844).

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

151967172 is a wasteful number, since it uses less digits than its factorization.

151967172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809147 (or 1809145 counting only the distinct ones).

The product of its digits is 26460, while the sum is 39.

The square root of 151967172 is about 12327.4965828428. The cubic root of 151967172 is about 533.6419066758.

The spelling of 151967172 in words is "one hundred fifty-one million, nine hundred sixty-seven thousand, one hundred seventy-two".