143428366 has 4 divisors (see below), whose sum is σ = 215142552. Its totient is φ = 71714182.

The previous prime is 143428357. The next prime is 143428367. The reversal of 143428366 is 663824341.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143428367) by changing a digit.

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 as a sum of consecutive naturals, namely, 35857090 + ... + 35857093.

It is an arithmetic number, because the mean of its divisors is an integer number (53785638).

Almost surely, 2^143428366 is an apocalyptic number.

143428366 is a deficient number, since it is larger than the sum of its proper divisors (71714186).

143428366 is an equidigital number, since it uses as much as digits as its factorization.

143428366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71714185.

The product of its digits is 82944, while the sum is 37.

The square root of 143428366 is about 11976.1582320876. The cubic root of 143428366 is about 523.4537919889.

The spelling of 143428366 in words is "one hundred forty-three million, four hundred twenty-eight thousand, three hundred sixty-six".