143918066 has 8 divisors (see below), whose sum is σ = 215942124. Its totient is φ = 71937360.

The previous prime is 143918059. The next prime is 143918069. The reversal of 143918066 is 660819341.

It can be written as a sum of positive squares in 2 ways, for example, as 139736041 + 4182025 = 11821^2 + 2045^2 .

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

It is not an unprimeable number, because it can be changed into a prime (143918069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605 + ... + 16976.

Almost surely, 2^143918066 is an apocalyptic number.

143918066 is a deficient number, since it is larger than the sum of its proper divisors (72024058).

143918066 is a wasteful number, since it uses less digits than its factorization.

143918066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21676.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 143918066 is about 11996.5855975773. The cubic root of 143918066 is about 524.0488489510.

The spelling of 143918066 in words is "one hundred forty-three million, nine hundred eighteen thousand, sixty-six".