189735250143 has 32 divisors (see below), whose sum is σ = 267888476160. Its totient is φ = 119116712160.

The previous prime is 189735250141. The next prime is 189735250151. The reversal of 189735250143 is 341052537981.

189735250143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189735250143 - 2¹ = 189735250141 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 189735250092 and 189735250101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189735250141) 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 31 ways as a sum of consecutive naturals, for example, 16575180 + ... + 16586622.

It is an arithmetic number, because the mean of its divisors is an integer number (8371514880).

Almost surely, 2^189735250143 is an apocalyptic number.

189735250143 is a deficient number, since it is larger than the sum of its proper divisors (78153226017).

189735250143 is a wasteful number, since it uses less digits than its factorization.

189735250143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13179.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 189735250143 in words is "one hundred eighty-nine billion, seven hundred thirty-five million, two hundred fifty thousand, one hundred forty-three".