163443042 has 32 divisors (see below), whose sum is σ = 415094400. Its totient is φ = 46697904.

The previous prime is 163443041. The next prime is 163443061. The reversal of 163443042 is 240344361.

163443042 is a `hidden beast` number, since 16 + 344 + 304 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 163442997 and 163443015.

It is not an unprimeable number, because it can be changed into a prime (163443041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215817 + ... + 216572.

It is an arithmetic number, because the mean of its divisors is an integer number (12971700).

Almost surely, 2^163443042 is an apocalyptic number.

163443042 is an abundant number, since it is smaller than the sum of its proper divisors (251651358).

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

163443042 is a wasteful number, since it uses less digits than its factorization.

163443042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432407 (or 432401 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 163443042 is about 12784.4844244889. The cubic root of 163443042 is about 546.7500258730.

The spelling of 163443042 in words is "one hundred sixty-three million, four hundred forty-three thousand, forty-two".