143428733 has 12 divisors (see below), whose sum is σ = 169199712. Its totient is φ = 121204440.

The previous prime is 143428717. The next prime is 143428801. The reversal of 143428733 is 337824341.

It is not a de Polignac number, because 143428733 - 2⁴ = 143428717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143428693 and 143428702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143428333) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17135 + ... + 24092.

It is an arithmetic number, because the mean of its divisors is an integer number (14099976).

Almost surely, 2^143428733 is an apocalyptic number.

It is an amenable number.

143428733 is a deficient number, since it is larger than the sum of its proper divisors (25770979).

143428733 is an equidigital number, since it uses as much as digits as its factorization.

143428733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41312 (or 41305 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 143428733 is about 11976.1735541867. The cubic root of 143428733 is about 523.4542384543.

The spelling of 143428733 in words is "one hundred forty-three million, four hundred twenty-eight thousand, seven hundred thirty-three".