105554845 has 16 divisors (see below), whose sum is σ = 142640640. Its totient is φ = 74289600.

The previous prime is 105554833. The next prime is 105554849. The reversal of 105554845 is 548455501.

It is a de Polignac number, because none of the positive numbers 2^k-105554845 is a prime.

It is a super-2 number, since 2×105554845² = 22283650605948050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105554849) 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, 29250 + ... + 32659.

It is an arithmetic number, because the mean of its divisors is an integer number (8915040).

Almost surely, 2^105554845 is an apocalyptic number.

It is an amenable number.

105554845 is a deficient number, since it is larger than the sum of its proper divisors (37085795).

105554845 is a wasteful number, since it uses less digits than its factorization.

105554845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61956.

The product of its (nonzero) digits is 80000, while the sum is 37.

The square root of 105554845 is about 10273.9887580238. The cubic root of 105554845 is about 472.5989192222.

It can be divided in two parts, 10555 and 4845, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 105554845 in words is "one hundred five million, five hundred fifty-four thousand, eight hundred forty-five".