163225145 has 8 divisors (see below), whose sum is σ = 195943104. Its totient is φ = 130531504.

The previous prime is 163225133. The next prime is 163225151. The reversal of 163225145 is 541522361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163225145 - 2⁴ = 163225129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15962 + ... + 24108.

It is an arithmetic number, because the mean of its divisors is an integer number (24492888).

Almost surely, 2^163225145 is an apocalyptic number.

It is an amenable number.

163225145 is a deficient number, since it is larger than the sum of its proper divisors (32717959).

163225145 is an equidigital number, since it uses as much as digits as its factorization.

163225145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12159.

The product of its digits is 7200, while the sum is 29.

The square root of 163225145 is about 12775.9596508442. The cubic root of 163225145 is about 546.5069479776.

The spelling of 163225145 in words is "one hundred sixty-three million, two hundred twenty-five thousand, one hundred forty-five".