105545245 has 16 divisors (see below), whose sum is σ = 137657520. Its totient is φ = 77220864.

The previous prime is 105545243. The next prime is 105545257. The reversal of 105545245 is 542545501.

It can be written as a sum of positive squares in 8 ways, for example, as 974169 + 104571076 = 987^2 + 10226^2 .

It is a cyclic number.

It is not a de Polignac number, because 105545245 - 2¹ = 105545243 is a prime.

It is a super-2 number, since 2×105545245² = 22279597484220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105545243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364 + ... + 14533.

It is an arithmetic number, because the mean of its divisors is an integer number (8603595).

Almost surely, 2^105545245 is an apocalyptic number.

It is an amenable number.

105545245 is a deficient number, since it is larger than the sum of its proper divisors (32112275).

105545245 is a wasteful number, since it uses less digits than its factorization.

105545245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15024.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 105545245 is about 10273.5215481353. The cubic root of 105545245 is about 472.5845914820.

The spelling of 105545245 in words is "one hundred five million, five hundred forty-five thousand, two hundred forty-five".