189344042 has 8 divisors (see below), whose sum is σ = 287906916. Its totient is φ = 93375072.

The previous prime is 189344021. The next prime is 189344047. The reversal of 189344042 is 240443981.

189344042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 180338041 + 9006001 = 13429^2 + 3001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 189343993 and 189344011.

It is not an unprimeable number, because it can be changed into a prime (189344047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648293 + ... + 648584.

Almost surely, 2^189344042 is an apocalyptic number.

189344042 is a deficient number, since it is larger than the sum of its proper divisors (98562874).

189344042 is a wasteful number, since it uses less digits than its factorization.

189344042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296952.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 189344042 is about 13760.2340823112. The cubic root of 189344042 is about 574.2273599834.

The spelling of 189344042 in words is "one hundred eighty-nine million, three hundred forty-four thousand, forty-two".