143161272 has 48 divisors (see below), whose sum is σ = 392652000. Its totient is φ = 47114496.

The previous prime is 143161261. The next prime is 143161273. The reversal of 143161272 is 272161341.

143161272 is a `hidden beast` number, since 1 + 43 + 1 + 612 + 7 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143161273) 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 11 ways as a sum of consecutive naturals, for example, 6897 + ... + 18272.

It is an arithmetic number, because the mean of its divisors is an integer number (8180250).

Almost surely, 2^143161272 is an apocalyptic number.

143161272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143161272 is an abundant number, since it is smaller than the sum of its proper divisors (249490728).

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

143161272 is a wasteful number, since it uses less digits than its factorization.

143161272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25260 (or 25253 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 143161272 is about 11965.0019640617. The cubic root of 143161272 is about 523.1286628041.

The spelling of 143161272 in words is "one hundred forty-three million, one hundred sixty-one thousand, two hundred seventy-two".