105405455 has 8 divisors (see below), whose sum is σ = 126582000. Its totient is φ = 84260736.

The previous prime is 105405409. The next prime is 105405463. The reversal of 105405455 is 554504501.

It is a happy number.

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 105405455 - 2⁸ = 105405199 is a prime.

It is a super-2 number, since 2×105405455² = 22220619887514050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71 + ... + 14519.

It is an arithmetic number, because the mean of its divisors is an integer number (15822750).

Almost surely, 2^105405455 is an apocalyptic number.

105405455 is a deficient number, since it is larger than the sum of its proper divisors (21176545).

105405455 is a wasteful number, since it uses less digits than its factorization.

105405455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15913.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 105405455 is about 10266.7158819167. The cubic root of 105405455 is about 472.3758601865.

Adding to 105405455 its reverse (554504501), we get a palindrome (659909956).

The spelling of 105405455 in words is "one hundred five million, four hundred five thousand, four hundred fifty-five".