143642364334436 has 24 divisors (see below), whose sum is σ = 274263913219296. Its totient is φ = 65283035857920.

The previous prime is 143642364334429. The next prime is 143642364334439. The reversal of 143642364334436 is 634433463246341.

It is not an unprimeable number, because it can be changed into a prime (143642364334439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223373546 + ... + 224015681.

It is an arithmetic number, because the mean of its divisors is an integer number (11427663050804).

Almost surely, 2^{143642364334436} is an apocalyptic number.

It is an amenable number.

143642364334436 is a deficient number, since it is larger than the sum of its proper divisors (130621548884860).

143642364334436 is a wasteful number, since it uses less digits than its factorization.

143642364334436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447396539 (or 447396537 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 56.

The spelling of 143642364334436 in words is "one hundred forty-three trillion, six hundred forty-two billion, three hundred sixty-four million, three hundred thirty-four thousand, four hundred thirty-six".