105405454 has 16 divisors (see below), whose sum is σ = 197122176. Its totient is φ = 41067000.

The previous prime is 105405409. The next prime is 105405463. The reversal of 105405454 is 454504501.

It is a super-2 number, since 2×105405454² = 22220619465892232, 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342072 + ... + 342379.

It is an arithmetic number, because the mean of its divisors is an integer number (12320136).

Almost surely, 2^105405454 is an apocalyptic number.

105405454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105405454 is a deficient number, since it is larger than the sum of its proper divisors (91716722).

105405454 is a wasteful number, since it uses less digits than its factorization.

105405454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684471.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 105405454 is about 10266.7158332156. The cubic root of 105405454 is about 472.3758586926.

Adding to 105405454 its reverse (454504501), we get a palindrome (559909955).

The spelling of 105405454 in words is "one hundred five million, four hundred five thousand, four hundred fifty-four".