162144564221145 has 64 divisors (see below), whose sum is σ = 285280553631744. Its totient is φ = 77986651115520.

The previous prime is 162144564221047. The next prime is 162144564221149. The reversal of 162144564221145 is 541122465441261.

It is not a de Polignac number, because 162144564221145 - 2⁸ = 162144564220889 is a prime.

It is a super-2 number, since 2×162144564221145² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 162144564221094 and 162144564221103.

It is not an unprimeable number, because it can be changed into a prime (162144564221149) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 166378809 + ... + 167350521.

It is an arithmetic number, because the mean of its divisors is an integer number (4457508650496).

Almost surely, 2^{162144564221145} is an apocalyptic number.

162144564221145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

162144564221145 is a deficient number, since it is larger than the sum of its proper divisors (123135989410599).

162144564221145 is a wasteful number, since it uses less digits than its factorization.

162144564221145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979822.

The product of its digits is 1843200, while the sum is 48.

The spelling of 162144564221145 in words is "one hundred sixty-two trillion, one hundred forty-four billion, five hundred sixty-four million, two hundred twenty-one thousand, one hundred forty-five".