165145106 has 32 divisors (see below), whose sum is σ = 312802560. Its totient is φ = 63714816.

The previous prime is 165145073. The next prime is 165145121. The reversal of 165145106 is 601541561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9611 + ... + 20558.

It is an arithmetic number, because the mean of its divisors is an integer number (9775080).

Almost surely, 2^165145106 is an apocalyptic number.

165145106 is a deficient number, since it is larger than the sum of its proper divisors (147657454).

165145106 is a wasteful number, since it uses less digits than its factorization.

165145106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30218.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 165145106 is about 12850.8795807913. The cubic root of 165145106 is about 548.6413916366.

Adding to 165145106 its reverse (601541561), we get a palindrome (766686667).

The spelling of 165145106 in words is "one hundred sixty-five million, one hundred forty-five thousand, one hundred six".