143661230266 has 8 divisors (see below), whose sum is σ = 215494288884. Its totient is φ = 71829800640.

The previous prime is 143661230257. The next prime is 143661230269. The reversal of 143661230266 is 662032166341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 127102945225 + 16558285041 = 356515^2 + 128679^2 .

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 (143661230269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155695 + ... + 558178.

Almost surely, 2^143661230266 is an apocalyptic number.

143661230266 is a deficient number, since it is larger than the sum of its proper divisors (71833058618).

143661230266 is a wasteful number, since it uses less digits than its factorization.

143661230266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814496.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 143661230266 in words is "one hundred forty-three billion, six hundred sixty-one million, two hundred thirty thousand, two hundred sixty-six".