163323145 has 16 divisors (see below), whose sum is σ = 207406080. Its totient is φ = 123120000.

The previous prime is 163323137. The next prime is 163323163. The reversal of 163323145 is 541323361.

It is not a de Polignac number, because 163323145 - 2³ = 163323137 is a prime.

163323145 is a Rhonda number in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13645 + ... + 22645.

It is an arithmetic number, because the mean of its divisors is an integer number (12962880).

Almost surely, 2^163323145 is an apocalyptic number.

It is an amenable number.

163323145 is a deficient number, since it is larger than the sum of its proper divisors (44082935).

163323145 is a wasteful number, since it uses less digits than its factorization.

163323145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216.

The product of its digits is 6480, while the sum is 28.

The square root of 163323145 is about 12779.7944036671. The cubic root of 163323145 is about 546.6162999320.

The spelling of 163323145 in words is "one hundred sixty-three million, three hundred twenty-three thousand, one hundred forty-five".