163145 has 8 divisors (see below), whose sum is σ = 199104. Its totient is φ = 128304.

The previous prime is 163129. The next prime is 163147. The reversal of 163145 is 541361.

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 163145 - 2⁴ = 163129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92 + ... + 578.

It is an arithmetic number, because the mean of its divisors is an integer number (24888).

2¹⁶³¹⁴⁵ is an apocalyptic number.

It is an amenable number.

163145 is a deficient number, since it is larger than the sum of its proper divisors (35959).

163145 is an equidigital number, since it uses as much as digits as its factorization.

163145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its digits is 360, while the sum is 20.

The square root of 163145 is about 403.9121191546. The cubic root of 163145 is about 54.6417486741.

The spelling of 163145 in words is "one hundred sixty-three thousand, one hundred forty-five".