143243732 has 12 divisors (see below), whose sum is σ = 250781076. Its totient is φ = 71592000.

The previous prime is 143243729. The next prime is 143243753. The reversal of 143243732 is 237342341.

It can be written as a sum of positive squares in 2 ways, for example, as 100681156 + 42562576 = 10034^2 + 6524^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143243695 and 143243704.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6038 + ... + 17970.

It is an arithmetic number, because the mean of its divisors is an integer number (20898423).

Almost surely, 2^143243732 is an apocalyptic number.

It is an amenable number.

143243732 is a deficient number, since it is larger than the sum of its proper divisors (107537344).

143243732 is a wasteful number, since it uses less digits than its factorization.

143243732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14938 (or 14936 counting only the distinct ones).

The product of its digits is 12096, while the sum is 29.

The square root of 143243732 is about 11968.4473512649. The cubic root of 143243732 is about 523.2290831421.

The spelling of 143243732 in words is "one hundred forty-three million, two hundred forty-three thousand, seven hundred thirty-two".