163500145 has 8 divisors (see below), whose sum is σ = 196983360. Its totient is φ = 130278000.

The previous prime is 163500133. The next prime is 163500223. The reversal of 163500145 is 541005361.

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

It is not a de Polignac number, because 163500145 - 2⁷ = 163500017 is a prime.

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, 63885 + ... + 66394.

It is an arithmetic number, because the mean of its divisors is an integer number (24622920).

Almost surely, 2^163500145 is an apocalyptic number.

It is an amenable number.

163500145 is a deficient number, since it is larger than the sum of its proper divisors (33483215).

163500145 is a wasteful number, since it uses less digits than its factorization.

163500145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130535.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 163500145 is about 12786.7175224918. The cubic root of 163500145 is about 546.8136921531.

The spelling of 163500145 in words is "one hundred sixty-three million, five hundred thousand, one hundred forty-five".