2105455 has 8 divisors (see below), whose sum is σ = 2756304. Its totient is φ = 1531200.

The previous prime is 2105449. The next prime is 2105483. The reversal of 2105455 is 5545012.

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

It is not a de Polignac number, because 2105455 - 2¹¹ = 2103407 is a prime.

It is a Duffinian number.

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, 19086 + ... + 19195.

It is an arithmetic number, because the mean of its divisors is an integer number (344538).

2^2105455 is an apocalyptic number.

2105455 is a deficient number, since it is larger than the sum of its proper divisors (650849).

2105455 is a wasteful number, since it uses less digits than its factorization.

2105455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38297.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 2105455 is about 1451.0186077373. The cubic root of 2105455 is about 128.1687025218.

It can be divided in two parts, 210 and 5455, that added together give a palindrome (5665).

The spelling of 2105455 in words is "two million, one hundred five thousand, four hundred fifty-five".