143126365651642 has 4 divisors (see below), whose sum is σ = 214689548477466. Its totient is φ = 71563182825820.

The previous prime is 143126365651583. The next prime is 143126365651679. The reversal of 143126365651642 is 246156563621341.

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., 108159355200961 + 34967010450681 = 10399969^2 + 5913291^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35781591412909 + ... + 35781591412912.

Almost surely, 2^{143126365651642} is an apocalyptic number.

143126365651642 is a deficient number, since it is larger than the sum of its proper divisors (71563182825824).

143126365651642 is an equidigital number, since it uses as much as digits as its factorization.

143126365651642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71563182825823.

The product of its digits is 18662400, while the sum is 55.

The spelling of 143126365651642 in words is "one hundred forty-three trillion, one hundred twenty-six billion, three hundred sixty-five million, six hundred fifty-one thousand, six hundred forty-two".