105453561 has 8 divisors (see below), whose sum is σ = 141712384. Its totient is φ = 69748560.

The previous prime is 105453547. The next prime is 105453581. The reversal of 105453561 is 165354501.

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

It is not a de Polignac number, because 105453561 - 2⁶ = 105453497 is a prime.

It is a super-2 number, since 2×105453561² = 22240907055161442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105453581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138010 + ... + 138771.

It is an arithmetic number, because the mean of its divisors is an integer number (17714048).

Almost surely, 2^105453561 is an apocalyptic number.

It is an amenable number.

105453561 is a deficient number, since it is larger than the sum of its proper divisors (36258823).

105453561 is a wasteful number, since it uses less digits than its factorization.

105453561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276911.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 105453561 is about 10269.0584281131. The cubic root of 105453561 is about 472.4477118029.

It can be divided in two parts, 1054 and 53561, that added together give a triangular number (54615 = T₃₃₀).

The spelling of 105453561 in words is "one hundred five million, four hundred fifty-three thousand, five hundred sixty-one".