4145342212105 has 4 divisors (see below), whose sum is σ = 4974410654532. Its totient is φ = 3316273769680.

The previous prime is 4145342212049. The next prime is 4145342212147. The reversal of 4145342212105 is 5012122435414.

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 2620914917776 + 1524427294329 = 1618924^2 + 1234677^2 .

It is not a de Polignac number, because 4145342212105 - 2⁷ = 4145342211977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414534221206 + ... + 414534221215.

It is an arithmetic number, because the mean of its divisors is an integer number (1243602663633).

Almost surely, 2^{4145342212105} is an apocalyptic number.

It is an amenable number.

4145342212105 is a deficient number, since it is larger than the sum of its proper divisors (829068442427).

4145342212105 is an equidigital number, since it uses as much as digits as its factorization.

4145342212105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829068442426.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 4145342212105 its reverse (5012122435414), we get a palindrome (9157464647519).

The spelling of 4145342212105 in words is "four trillion, one hundred forty-five billion, three hundred forty-two million, two hundred twelve thousand, one hundred five".