105155345 has 8 divisors (see below), whose sum is σ = 126272040. Its totient is φ = 84067200.

The previous prime is 105155341. The next prime is 105155357. The reversal of 105155345 is 543551501.

It can be written as a sum of positive squares in 4 ways, for example, as 6927424 + 98227921 = 2632^2 + 9911^2 .

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

It is not a de Polignac number, because 105155345 - 2² = 105155341 is a prime.

It is a super-2 number, since 2×105155345² = 22115293164138050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105155341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2045 + ... + 14645.

It is an arithmetic number, because the mean of its divisors is an integer number (15784005).

Almost surely, 2^105155345 is an apocalyptic number.

It is an amenable number.

105155345 is a deficient number, since it is larger than the sum of its proper divisors (21116695).

105155345 is a wasteful number, since it uses less digits than its factorization.

105155345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14275.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 105155345 is about 10254.5280242437. The cubic root of 105155345 is about 472.0019405862.

The spelling of 105155345 in words is "one hundred five million, one hundred fifty-five thousand, three hundred forty-five".