143431324 has 6 divisors (see below), whose sum is σ = 251004824. Its totient is φ = 71715660.

The previous prime is 143431319. The next prime is 143431331. The reversal of 143431324 is 423134341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17928912 + ... + 17928919.

Almost surely, 2^143431324 is an apocalyptic number.

It is an amenable number.

143431324 is a deficient number, since it is larger than the sum of its proper divisors (107573500).

143431324 is a wasteful number, since it uses less digits than its factorization.

143431324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35857835 (or 35857833 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 143431324 is about 11976.2817268132. The cubic root of 143431324 is about 523.4573904535.

Adding to 143431324 its reverse (423134341), we get a palindrome (566565665).

The spelling of 143431324 in words is "one hundred forty-three million, four hundred thirty-one thousand, three hundred twenty-four".