165145452313145 has 8 divisors (see below), whose sum is σ = 198450168013440. Its totient is φ = 131932611692080.

The previous prime is 165145452313111. The next prime is 165145452313169. The reversal of 165145452313145 is 541313254541561.

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

It is not a de Polignac number, because 165145452313145 - 2⁶ = 165145452313081 is a prime.

It is a super-2 number, since 2×165145452313145² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165145452313093 and 165145452313102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22968765851 + ... + 22968773040.

It is an arithmetic number, because the mean of its divisors is an integer number (24806271001680).

Almost surely, 2^{165145452313145} is an apocalyptic number.

It is an amenable number.

165145452313145 is a deficient number, since it is larger than the sum of its proper divisors (33304715700295).

165145452313145 is an equidigital number, since it uses as much as digits as its factorization.

165145452313145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45937539615.

The product of its digits is 4320000, while the sum is 50.

The spelling of 165145452313145 in words is "one hundred sixty-five trillion, one hundred forty-five billion, four hundred fifty-two million, three hundred thirteen thousand, one hundred forty-five".