143680172 has 12 divisors (see below), whose sum is σ = 262372656. Its totient is φ = 68716560.

The previous prime is 143680171. The next prime is 143680217. The reversal of 143680172 is 271086341.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (143680171) 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, 780779 + ... + 780962.

It is an arithmetic number, because the mean of its divisors is an integer number (21864388).

Almost surely, 2^143680172 is an apocalyptic number.

It is an amenable number.

143680172 is a deficient number, since it is larger than the sum of its proper divisors (118692484).

143680172 is a wasteful number, since it uses less digits than its factorization.

143680172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561768 (or 1561766 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 143680172 is about 11986.6664256581. Note that the first 3 decimals coincide. The cubic root of 143680172 is about 523.7599419017.

The spelling of 143680172 in words is "one hundred forty-three million, six hundred eighty thousand, one hundred seventy-two".