165045122 has 8 divisors (see below), whose sum is σ = 270073872. Its totient is φ = 75020500.

The previous prime is 165045113. The next prime is 165045149. The reversal of 165045122 is 221540561.

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

It is a junction number, because it is equal to n+sod(n) for n = 165045091 and 165045100.

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 3 ways as a sum of consecutive naturals, for example, 3751004 + ... + 3751047.

It is an arithmetic number, because the mean of its divisors is an integer number (33759234).

Almost surely, 2^165045122 is an apocalyptic number.

165045122 is a deficient number, since it is larger than the sum of its proper divisors (105028750).

165045122 is a wasteful number, since it uses less digits than its factorization.

165045122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502064.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 165045122 is about 12846.9888300722. The cubic root of 165045122 is about 548.5306477453.

Adding to 165045122 its reverse (221540561), we get a palindrome (386585683).

The spelling of 165045122 in words is "one hundred sixty-five million, forty-five thousand, one hundred twenty-two".