143443661643622 has 4 divisors (see below), whose sum is σ = 215165492465436. Its totient is φ = 71721830821810.

The previous prime is 143443661643521. The next prime is 143443661643679. The reversal of 143443661643622 is 226346166344341.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35860915410904 + ... + 35860915410907.

It is an arithmetic number, because the mean of its divisors is an integer number (53791373116359).

Almost surely, 2^{143443661643622} is an apocalyptic number.

143443661643622 is a deficient number, since it is larger than the sum of its proper divisors (71721830821814).

143443661643622 is an equidigital number, since it uses as much as digits as its factorization.

143443661643622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71721830821813.

The product of its digits is 35831808, while the sum is 55.

The spelling of 143443661643622 in words is "one hundred forty-three trillion, four hundred forty-three billion, six hundred sixty-one million, six hundred forty-three thousand, six hundred twenty-two".