2145342216113 has 32 divisors (see below), whose sum is σ = 2269702542240. Its totient is φ = 2027060066304.

The previous prime is 2145342216103. The next prime is 2145342216181. The reversal of 2145342216113 is 3116122435412.

It can be written as a sum of positive squares in 16 ways, for example, as 1532428595569 + 612913620544 = 1237913^2 + 782888^2 .

It is not a de Polignac number, because 2145342216113 - 2¹⁴ = 2145342199729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145342216103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559701245 + ... + 559705077.

It is an arithmetic number, because the mean of its divisors is an integer number (70928204445).

Almost surely, 2^{2145342216113} is an apocalyptic number.

It is an amenable number.

2145342216113 is a deficient number, since it is larger than the sum of its proper divisors (124360326127).

2145342216113 is an frugal number, since it uses more digits than its factorization.

2145342216113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406 (or 4348 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The spelling of 2145342216113 in words is "two trillion, one hundred forty-five billion, three hundred forty-two million, two hundred sixteen thousand, one hundred thirteen".