143442412 has 12 divisors (see below), whose sum is σ = 251359416. Its totient is φ = 71625440.

The previous prime is 143442407. The next prime is 143442443. The reversal of 143442412 is 214244341.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20518 + ... + 26605.

It is an arithmetic number, because the mean of its divisors is an integer number (20946618).

Almost surely, 2^143442412 is an apocalyptic number.

It is an amenable number.

143442412 is a deficient number, since it is larger than the sum of its proper divisors (107917004).

143442412 is a wasteful number, since it uses less digits than its factorization.

143442412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47888 (or 47886 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 143442412 is about 11976.7446328291. The cubic root of 143442412 is about 523.4708787809.

Adding to 143442412 its reverse (214244341), we get a palindrome (357686753).

The spelling of 143442412 in words is "one hundred forty-three million, four hundred forty-two thousand, four hundred twelve".