18350845143 has 16 divisors (see below), whose sum is σ = 25914036960. Its totient is φ = 11511161856.

The previous prime is 18350845099. The next prime is 18350845151. The reversal of 18350845143 is 34154805381.

It is a happy number.

It is not a de Polignac number, because 18350845143 - 2⁸ = 18350844887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18350845095 and 18350845104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18350845543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151323 + ... + 244131.

It is an arithmetic number, because the mean of its divisors is an integer number (1619627310).

Almost surely, 2^18350845143 is an apocalyptic number.

18350845143 is a deficient number, since it is larger than the sum of its proper divisors (7563191817).

18350845143 is a wasteful number, since it uses less digits than its factorization.

18350845143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96706.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 18350845143 in words is "eighteen billion, three hundred fifty million, eight hundred forty-five thousand, one hundred forty-three".