105056345 has 16 divisors (see below), whose sum is σ = 134742528. Its totient is φ = 78355200.

The previous prime is 105056323. The next prime is 105056351. The reversal of 105056345 is 543650501.

It is not a de Polignac number, because 105056345 - 2²⁰ = 104007769 is a prime.

It is a super-3 number, since 3×105056345³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3320 + ... + 14870.

It is an arithmetic number, because the mean of its divisors is an integer number (8421408).

Almost surely, 2^105056345 is an apocalyptic number.

It is an amenable number.

105056345 is a deficient number, since it is larger than the sum of its proper divisors (29686183).

105056345 is a wasteful number, since it uses less digits than its factorization.

105056345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11680.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 105056345 is about 10249.6997517000. The cubic root of 105056345 is about 471.8537697567.

The spelling of 105056345 in words is "one hundred five million, fifty-six thousand, three hundred forty-five".