105454858 has 4 divisors (see below), whose sum is σ = 158182290. Its totient is φ = 52727428.

The previous prime is 105454841. The next prime is 105454871. The reversal of 105454858 is 858454501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 858454501 = 37 ⋅23201473.

It can be written as a sum of positive squares in only one way, i.e., 98148649 + 7306209 = 9907^2 + 2703^2 .

It is a super-2 number, since 2×105454858² = 22241454151600328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 105454858.

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 as a sum of consecutive naturals, namely, 26363713 + ... + 26363716.

Almost surely, 2^105454858 is an apocalyptic number.

105454858 is a deficient number, since it is larger than the sum of its proper divisors (52727432).

105454858 is an equidigital number, since it uses as much as digits as its factorization.

105454858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52727431.

The product of its (nonzero) digits is 128000, while the sum is 40.

The square root of 105454858 is about 10269.1215787914. The cubic root of 105454858 is about 472.4496487129.

The spelling of 105454858 in words is "one hundred five million, four hundred fifty-four thousand, eight hundred fifty-eight".