143296728 has 16 divisors (see below), whose sum is σ = 358241880. Its totient is φ = 47765568.

The previous prime is 143296717. The next prime is 143296729. The reversal of 143296728 is 827692341.

It is a self number, because there is not a number n which added to its sum of digits gives 143296728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143296729) 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, 2985325 + ... + 2985372.

Almost surely, 2^143296728 is an apocalyptic number.

It is an amenable number.

143296728 is an abundant number, since it is smaller than the sum of its proper divisors (214945152).

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

143296728 is a wasteful number, since it uses less digits than its factorization.

143296728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970706 (or 5970702 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 143296728 is about 11970.6611346241. The cubic root of 143296728 is about 523.2936016825.

The spelling of 143296728 in words is "one hundred forty-three million, two hundred ninety-six thousand, seven hundred twenty-eight".