163854245 has 16 divisors (see below), whose sum is σ = 213273648. Its totient is φ = 120360960.

The previous prime is 163854199. The next prime is 163854247. The reversal of 163854245 is 542458361.

163854245 is digitally balanced in base 2, 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 8 ways, for example, as 1623076 + 162231169 = 1274^2 + 12737^2 .

It is a de Polignac number, because none of the positive numbers 2^k-163854245 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163854199 and 163854208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163854247) 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, 20024 + ... + 26993.

It is an arithmetic number, because the mean of its divisors is an integer number (13329603).

Almost surely, 2^163854245 is an apocalyptic number.

It is an amenable number.

163854245 is a deficient number, since it is larger than the sum of its proper divisors (49419403).

163854245 is a wasteful number, since it uses less digits than its factorization.

163854245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47080.

The product of its digits is 115200, while the sum is 38.

The square root of 163854245 is about 12800.5564332180. The cubic root of 163854245 is about 547.2081609453.

The spelling of 163854245 in words is "one hundred sixty-three million, eight hundred fifty-four thousand, two hundred forty-five".