147443172 has 12 divisors (see below), whose sum is σ = 344034096. Its totient is φ = 49147720.

The previous prime is 147443171. The next prime is 147443207. The reversal of 147443172 is 271344741.

147443172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (147443171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6143454 + ... + 6143477.

It is an arithmetic number, because the mean of its divisors is an integer number (28669508).

Almost surely, 2^147443172 is an apocalyptic number.

147443172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147443172 is an abundant number, since it is smaller than the sum of its proper divisors (196590924).

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

147443172 is a wasteful number, since it uses less digits than its factorization.

147443172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12286938 (or 12286936 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 147443172 is about 12142.6180043679. The cubic root of 147443172 is about 528.2930392390.

The spelling of 147443172 in words is "one hundred forty-seven million, four hundred forty-three thousand, one hundred seventy-two".