163225245 has 16 divisors (see below), whose sum is σ = 276523200. Its totient is φ = 81932544.

The previous prime is 163225243. The next prime is 163225259. The reversal of 163225245 is 542522361.

It is not a de Polignac number, because 163225245 - 2¹ = 163225243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163225243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319795 + ... + 320304.

It is an arithmetic number, because the mean of its divisors is an integer number (17282700).

Almost surely, 2^163225245 is an apocalyptic number.

163225245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163225245 is a deficient number, since it is larger than the sum of its proper divisors (113297955).

163225245 is a wasteful number, since it uses less digits than its factorization.

163225245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640124.

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

The square root of 163225245 is about 12775.9635644440. The cubic root of 163225245 is about 546.5070595835.

The spelling of 163225245 in words is "one hundred sixty-three million, two hundred twenty-five thousand, two hundred forty-five".