2107105345 has 8 divisors (see below), whose sum is σ = 2615717160. Its totient is φ = 1627557120.

The previous prime is 2107105289. The next prime is 2107105367. The reversal of 2107105345 is 5435017012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2039184 + 2105066161 = 1428^2 + 45881^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2107105345 - 2¹⁵ = 2107072577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7265736 + ... + 7266025.

It is an arithmetic number, because the mean of its divisors is an integer number (326964645).

Almost surely, 2^2107105345 is an apocalyptic number.

It is an amenable number.

2107105345 is a deficient number, since it is larger than the sum of its proper divisors (508611815).

2107105345 is a wasteful number, since it uses less digits than its factorization.

2107105345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14531795.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2107105345 is about 45903.2171530493. The cubic root of 2107105345 is about 1282.0218179897.

It can be divided in two parts, 2107 and 105345, that multiplied together give a triangular number (221961915 = T₂₁₀₆₉).

The spelling of 2107105345 in words is "two billion, one hundred seven million, one hundred five thousand, three hundred forty-five".