143680616 has 16 divisors (see below), whose sum is σ = 278691300. Its totient is φ = 69362944.

The previous prime is 143680613. The next prime is 143680627. The reversal of 143680616 is 616086341.

It can be written as a sum of positive squares in 2 ways, for example, as 137968516 + 5712100 = 11746^2 + 2390^2 .

It is not an unprimeable number, because it can be changed into a prime (143680613) 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, 309425 + ... + 309888.

Almost surely, 2^143680616 is an apocalyptic number.

It is an amenable number.

143680616 is a deficient number, since it is larger than the sum of its proper divisors (135010684).

143680616 is a wasteful number, since it uses less digits than its factorization.

143680616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619348 (or 619344 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 143680616 is about 11986.6849462226. The cubic root of 143680616 is about 523.7604814082.

The spelling of 143680616 in words is "one hundred forty-three million, six hundred eighty thousand, six hundred sixteen".