143140066 has 8 divisors (see below), whose sum is σ = 216277740. Its totient is φ = 71047488.

The previous prime is 143140033. The next prime is 143140069. The reversal of 143140066 is 660041341.

It can be written as a sum of positive squares in 2 ways, for example, as 139736041 + 3404025 = 11821^2 + 1845^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 143140066.

It is not an unprimeable number, because it can be changed into a prime (143140069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260931 + ... + 261478.

Almost surely, 2^143140066 is an apocalyptic number.

143140066 is a deficient number, since it is larger than the sum of its proper divisors (73137674).

143140066 is a wasteful number, since it uses less digits than its factorization.

143140066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522548.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 143140066 is about 11964.1157633985. The cubic root of 143140066 is about 523.1028317628.

The spelling of 143140066 in words is "one hundred forty-three million, one hundred forty thousand, sixty-six".