105352745 has 4 divisors (see below), whose sum is σ = 126423300. Its totient is φ = 84282192.

The previous prime is 105352721. The next prime is 105352759. The reversal of 105352745 is 547253501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19456921 + 85895824 = 4411^2 + 9268^2 .

It is a cyclic number.

It is not a de Polignac number, because 105352745 - 2¹⁰ = 105351721 is a prime.

It is a super-2 number, since 2×105352745² = 22198401758070050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10535270 + ... + 10535279.

It is an arithmetic number, because the mean of its divisors is an integer number (31605825).

Almost surely, 2^105352745 is an apocalyptic number.

It is an amenable number.

105352745 is a deficient number, since it is larger than the sum of its proper divisors (21070555).

105352745 is an equidigital number, since it uses as much as digits as its factorization.

105352745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21070554.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 105352745 is about 10264.1485277640. The cubic root of 105352745 is about 472.2971068837.

The spelling of 105352745 in words is "one hundred five million, three hundred fifty-two thousand, seven hundred forty-five".