143428984 has 16 divisors (see below), whose sum is σ = 269298720. Its totient is φ = 71616000.

The previous prime is 143428973. The next prime is 143428997. The reversal of 143428984 is 489824341.

It is a self number, because there is not a number n which added to its sum of digits gives 143428984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5929 + ... + 17944.

It is an arithmetic number, because the mean of its divisors is an integer number (16831170).

Almost surely, 2^143428984 is an apocalyptic number.

It is an amenable number.

143428984 is a deficient number, since it is larger than the sum of its proper divisors (125869736).

143428984 is a wasteful number, since it uses less digits than its factorization.

143428984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24630 (or 24626 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 143428984 is about 11976.1840333221. The cubic root of 143428984 is about 523.4545438020.

The spelling of 143428984 in words is "one hundred forty-three million, four hundred twenty-eight thousand, nine hundred eighty-four".