163545238 has 8 divisors (see below), whose sum is σ = 245788488. Its totient is φ = 81615744.

The previous prime is 163545233. The next prime is 163545299. The reversal of 163545238 is 832545361.

163545238 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 = 163545197 and 163545206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163545233) 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, 77131 + ... + 79222.

It is an arithmetic number, because the mean of its divisors is an integer number (30723561).

Almost surely, 2^163545238 is an apocalyptic number.

163545238 is a deficient number, since it is larger than the sum of its proper divisors (82243250).

163545238 is a wasteful number, since it uses less digits than its factorization.

163545238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156878.

The product of its digits is 86400, while the sum is 37.

The square root of 163545238 is about 12788.4806759834. The cubic root of 163545238 is about 546.8639575588.

The spelling of 163545238 in words is "one hundred sixty-three million, five hundred forty-five thousand, two hundred thirty-eight".