143645042134243 has 32 divisors (see below), whose sum is σ = 156502427578560. Its totient is φ = 131050615910400.

The previous prime is 143645042134241. The next prime is 143645042134247. The reversal of 143645042134243 is 342431240546341.

It is a cyclic number.

It is not a de Polignac number, because 143645042134243 - 2¹ = 143645042134241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143645042134193 and 143645042134202.

It is not an unprimeable number, because it can be changed into a prime (143645042134241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9454678255 + ... + 9454693447.

It is an arithmetic number, because the mean of its divisors is an integer number (4890700861830).

Almost surely, 2^{143645042134243} is an apocalyptic number.

143645042134243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

143645042134243 is a deficient number, since it is larger than the sum of its proper divisors (12857385444317).

143645042134243 is a wasteful number, since it uses less digits than its factorization.

143645042134243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27559.

The product of its (nonzero) digits is 3317760, while the sum is 46.

The spelling of 143645042134243 in words is "one hundred forty-three trillion, six hundred forty-five billion, forty-two million, one hundred thirty-four thousand, two hundred forty-three".