105503745 has 8 divisors (see below), whose sum is σ = 168806016. Its totient is φ = 56268656.

The previous prime is 105503731. The next prime is 105503759. The reversal of 105503745 is 547305501.

It is an interprime number because it is at equal distance from previous prime (105503731) and next prime (105503759).

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

It is a cyclic number.

It is not a de Polignac number, because 105503745 - 2⁶ = 105503681 is a prime.

It is a super-2 number, since 2×105503745² = 22262080418050050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3516777 + ... + 3516806.

It is an arithmetic number, because the mean of its divisors is an integer number (21100752).

Almost surely, 2^105503745 is an apocalyptic number.

105503745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105503745 is a deficient number, since it is larger than the sum of its proper divisors (63302271).

105503745 is an equidigital number, since it uses as much as digits as its factorization.

105503745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033591.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 105503745 is about 10271.5015942169. The cubic root of 105503745 is about 472.5226438576.

The spelling of 105503745 in words is "one hundred five million, five hundred three thousand, seven hundred forty-five".