2265143320146 has 32 divisors (see below), whose sum is σ = 5179417850880. Its totient is φ = 646940380176.

The previous prime is 2265143320109. The next prime is 2265143320207. The reversal of 2265143320146 is 6410233415622.

It is a super-2 number, since 2×2265143320146² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10029726 + ... + 10253081.

It is an arithmetic number, because the mean of its divisors is an integer number (161856807840).

Almost surely, 2^{2265143320146} is an apocalyptic number.

2265143320146 is an abundant number, since it is smaller than the sum of its proper divisors (2914274530734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2265143320146 is a wasteful number, since it uses less digits than its factorization.

2265143320146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20285478.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 2265143320146 its reverse (6410233415622), we get a palindrome (8675376735768).

The spelling of 2265143320146 in words is "two trillion, two hundred sixty-five billion, one hundred forty-three million, three hundred twenty thousand, one hundred forty-six".