105455015 has 4 divisors (see below), whose sum is σ = 126546024. Its totient is φ = 84364008.

The previous prime is 105454957. The next prime is 105455017. The reversal of 105455015 is 510554501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105455015 - 2²² = 101260711 is a prime.

It is a super-2 number, since 2×105455015² = 22241520377300450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105455017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10545497 + ... + 10545506.

It is an arithmetic number, because the mean of its divisors is an integer number (31636506).

Almost surely, 2^105455015 is an apocalyptic number.

105455015 is a deficient number, since it is larger than the sum of its proper divisors (21091009).

105455015 is an equidigital number, since it uses as much as digits as its factorization.

105455015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21091008.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 105455015 is about 10269.1292230646. The cubic root of 105455015 is about 472.4498831721.

The spelling of 105455015 in words is "one hundred five million, four hundred fifty-five thousand, fifteen".