105081445 has 8 divisors (see below), whose sum is σ = 144111744. Its totient is φ = 72055824.

The previous prime is 105081439. The next prime is 105081479. The reversal of 105081445 is 544180501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105081445 is a prime.

It is a super-2 number, since 2×105081445² = 22084220166576050, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1501129 + ... + 1501198.

It is an arithmetic number, because the mean of its divisors is an integer number (18013968).

Almost surely, 2^105081445 is an apocalyptic number.

It is an amenable number.

105081445 is a deficient number, since it is larger than the sum of its proper divisors (39030299).

105081445 is an equidigital number, since it uses as much as digits as its factorization.

105081445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002339.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 105081445 is about 10250.9241046844. The cubic root of 105081445 is about 471.8913451058.

The spelling of 105081445 in words is "one hundred five million, eighty-one thousand, four hundred forty-five".