163845342 has 20 divisors (see below), whose sum is σ = 367135296. Its totient is φ = 54615060.

The previous prime is 163845299. The next prime is 163845343. The reversal of 163845342 is 243548361.

163845342 is a `hidden beast` number, since 163 + 8 + 453 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 163845297 and 163845306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163845343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 505534 + ... + 505857.

Almost surely, 2^163845342 is an apocalyptic number.

163845342 is an abundant number, since it is smaller than the sum of its proper divisors (203289954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163845342 is a wasteful number, since it uses less digits than its factorization.

163845342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011405 (or 1011396 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 163845342 is about 12800.2086701741. The cubic root of 163845342 is about 547.1982499367.

The spelling of 163845342 in words is "one hundred sixty-three million, eight hundred forty-five thousand, three hundred forty-two".