143145506 has 32 divisors (see below), whose sum is σ = 259200000. Its totient is φ = 57918672.

The previous prime is 143145463. The next prime is 143145511. The reversal of 143145506 is 605541341.

It is a happy number.

143145506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94745 + ... + 96243.

It is an arithmetic number, because the mean of its divisors is an integer number (8100000).

Almost surely, 2^143145506 is an apocalyptic number.

143145506 is a deficient number, since it is larger than the sum of its proper divisors (116054494).

143145506 is a wasteful number, since it uses less digits than its factorization.

143145506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 143145506 is about 11964.3431077515. The cubic root of 143145506 is about 523.1094584733.

Adding to 143145506 its reverse (605541341), we get a palindrome (748686847).

The spelling of 143145506 in words is "one hundred forty-three million, one hundred forty-five thousand, five hundred six".