105456091 has 8 divisors (see below), whose sum is σ = 114332400. Its totient is φ = 96688992.

The previous prime is 105456067. The next prime is 105456107. The reversal of 105456091 is 190654501.

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 105456091 - 2⁷ = 105455963 is a prime.

It is a super-2 number, since 2×105456091² = 22241974258000562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105456691) by changing a digit.

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, 25285 + ... + 29158.

It is an arithmetic number, because the mean of its divisors is an integer number (14291550).

Almost surely, 2^105456091 is an apocalyptic number.

105456091 is a deficient number, since it is larger than the sum of its proper divisors (8876309).

105456091 is a wasteful number, since it uses less digits than its factorization.

105456091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54605.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 105456091 is about 10269.1816129622. The cubic root of 105456091 is about 472.4514900321.

The spelling of 105456091 in words is "one hundred five million, four hundred fifty-six thousand, ninety-one".