10145216322145 has 4 divisors (see below), whose sum is σ = 12174259586580. Its totient is φ = 8116173057712.

The previous prime is 10145216322097. The next prime is 10145216322149. The reversal of 10145216322145 is 54122361254101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7274499448384 + 2870716873761 = 2697128^2 + 1694319^2 .

It is a cyclic number.

It is not a de Polignac number, because 10145216322145 - 2¹⁷ = 10145216191073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10145216322149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014521632210 + ... + 1014521632219.

It is an arithmetic number, because the mean of its divisors is an integer number (3043564896645).

Almost surely, 2^{10145216322145} is an apocalyptic number.

It is an amenable number.

10145216322145 is a deficient number, since it is larger than the sum of its proper divisors (2029043264435).

10145216322145 is an equidigital number, since it uses as much as digits as its factorization.

10145216322145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029043264434.

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 10145216322145 its reverse (54122361254101), we get a palindrome (64267577576246).

The spelling of 10145216322145 in words is "ten trillion, one hundred forty-five billion, two hundred sixteen million, three hundred twenty-two thousand, one hundred forty-five".