163145085 has 8 divisors (see below), whose sum is σ = 261032160. Its totient is φ = 87010704.

The previous prime is 163145069. The next prime is 163145111. The reversal of 163145085 is 580541361.

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

It is not a de Polignac number, because 163145085 - 2⁴ = 163145069 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5438155 + ... + 5438184.

It is an arithmetic number, because the mean of its divisors is an integer number (32629020).

Almost surely, 2^163145085 is an apocalyptic number.

163145085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163145085 is a deficient number, since it is larger than the sum of its proper divisors (97887075).

163145085 is a wasteful number, since it uses less digits than its factorization.

163145085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10876347.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 163145085 is about 12772.8260381170. The cubic root of 163145085 is about 546.4175816370.

The spelling of 163145085 in words is "one hundred sixty-three million, one hundred forty-five thousand, eighty-five".