143126363222666 has 4 divisors (see below), whose sum is σ = 214689544834002. Its totient is φ = 71563181611332.

The previous prime is 143126363222653. The next prime is 143126363222677. The reversal of 143126363222666 is 666222363621341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 116742946705225 + 26383416517441 = 10804765^2 + 5136479^2 .

It is a super-2 number, since 2×143126363222666² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35781590805665 + ... + 35781590805668.

Almost surely, 2^{143126363222666} is an apocalyptic number.

143126363222666 is a deficient number, since it is larger than the sum of its proper divisors (71563181611336).

143126363222666 is an equidigital number, since it uses as much as digits as its factorization.

143126363222666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71563181611335.

The product of its digits is 13436928, while the sum is 53.

The spelling of 143126363222666 in words is "one hundred forty-three trillion, one hundred twenty-six billion, three hundred sixty-three million, two hundred twenty-two thousand, six hundred sixty-six".