143290028 has 24 divisors (see below), whose sum is σ = 292680192. Its totient is φ = 60102864.

The previous prime is 143289997. The next prime is 143290033. The reversal of 143290028 is 820092341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53126 + ... + 55757.

It is an arithmetic number, because the mean of its divisors is an integer number (12195008).

Almost surely, 2^143290028 is an apocalyptic number.

It is an amenable number.

143290028 is an abundant number, since it is smaller than the sum of its proper divisors (149390164).

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

143290028 is a wasteful number, since it uses less digits than its factorization.

143290028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108941 (or 108939 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 143290028 is about 11970.3812804772. The cubic root of 143290028 is about 523.2854458280.

The spelling of 143290028 in words is "one hundred forty-three million, two hundred ninety thousand, twenty-eight".