143145616 has 20 divisors (see below), whose sum is σ = 280206892. Its totient is φ = 70834176.

The previous prime is 143145599. The next prime is 143145619. The reversal of 143145616 is 616541341.

It can be written as a sum of positive squares in 2 ways, for example, as 41216400 + 101929216 = 6420^2 + 10096^2 .

It is not an unprimeable number, because it can be changed into a prime (143145619) 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, 44565 + ... + 47668.

Almost surely, 2^143145616 is an apocalyptic number.

143145616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

143145616 is a deficient number, since it is larger than the sum of its proper divisors (137061276).

143145616 is an equidigital number, since it uses as much as digits as its factorization.

143145616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92338 (or 92332 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 143145616 is about 11964.3477047435. The cubic root of 143145616 is about 523.1095924676.

Adding to 143145616 its reverse (616541341), we get a palindrome (759686957).

The spelling of 143145616 in words is "one hundred forty-three million, one hundred forty-five thousand, six hundred sixteen".