143143928 has 8 divisors (see below), whose sum is σ = 268394880. Its totient is φ = 71571960.

The previous prime is 143143919. The next prime is 143143963. The reversal of 143143928 is 829341341.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8946488 + ... + 8946503.

It is an arithmetic number, because the mean of its divisors is an integer number (33549360).

Almost surely, 2^143143928 is an apocalyptic number.

It is an amenable number.

143143928 is a deficient number, since it is larger than the sum of its proper divisors (125250952).

143143928 is a wasteful number, since it uses less digits than its factorization.

143143928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17892997 (or 17892993 counting only the distinct ones).

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

The square root of 143143928 is about 11964.2771616174. The cubic root of 143143928 is about 523.1075362573.

The spelling of 143143928 in words is "one hundred forty-three million, one hundred forty-three thousand, nine hundred twenty-eight".