143924428 has 12 divisors (see below), whose sum is σ = 251978832. Its totient is φ = 71930480.

The previous prime is 143924399. The next prime is 143924447. The reversal of 143924428 is 824429341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4401 + ... + 17527.

It is an arithmetic number, because the mean of its divisors is an integer number (20998236).

Almost surely, 2^143924428 is an apocalyptic number.

It is an amenable number.

143924428 is a deficient number, since it is larger than the sum of its proper divisors (108054404).

143924428 is a wasteful number, since it uses less digits than its factorization.

143924428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15872 (or 15870 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 143924428 is about 11996.8507534269. The cubic root of 143924428 is about 524.0565708207.

The spelling of 143924428 in words is "one hundred forty-three million, nine hundred twenty-four thousand, four hundred twenty-eight".