163045425 has 24 divisors (see below), whose sum is σ = 270161280. Its totient is φ = 86766400.

The previous prime is 163045409. The next prime is 163045429. The reversal of 163045425 is 524540361.

163045425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163045425 - 2⁴ = 163045409 is a prime.

It is a super-2 number, since 2×163045425² = 53167621226861250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163045392 and 163045401.

It is not an unprimeable number, because it can be changed into a prime (163045429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36040 + ... + 40310.

It is an arithmetic number, because the mean of its divisors is an integer number (11256720).

Almost surely, 2^163045425 is an apocalyptic number.

163045425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163045425 is a deficient number, since it is larger than the sum of its proper divisors (107115855).

163045425 is a wasteful number, since it uses less digits than its factorization.

163045425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793 (or 4788 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 163045425 is about 12768.9241911760. The cubic root of 163045425 is about 546.3062960934.

Adding to 163045425 its reverse (524540361), we get a palindrome (687585786).

The spelling of 163045425 in words is "one hundred sixty-three million, forty-five thousand, four hundred twenty-five".