143428436 has 6 divisors (see below), whose sum is σ = 250999770. Its totient is φ = 71714216.

The previous prime is 143428433. The next prime is 143428447. The reversal of 143428436 is 634824341.

It can be written as a sum of positive squares in only one way, i.e., 122323600 + 21104836 = 11060^2 + 4594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143428396 and 143428405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143428433) 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, 17928551 + ... + 17928558.

It is an arithmetic number, because the mean of its divisors is an integer number (41833295).

Almost surely, 2^143428436 is an apocalyptic number.

It is an amenable number.

143428436 is a deficient number, since it is larger than the sum of its proper divisors (107571334).

143428436 is a wasteful number, since it uses less digits than its factorization.

143428436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35857113 (or 35857111 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 143428436 is about 11976.1611545603. The cubic root of 143428436 is about 523.4538771459.

The spelling of 143428436 in words is "one hundred forty-three million, four hundred twenty-eight thousand, four hundred thirty-six".