105270243 has 16 divisors (see below), whose sum is σ = 154012320. Its totient is φ = 63558144.

The previous prime is 105270229. The next prime is 105270259. The reversal of 105270243 is 342072501.

It is not a de Polignac number, because 105270243 - 2¹⁶ = 105204707 is a prime.

It is a super-2 number, since 2×105270243² = 22163648122558098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105270283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23398 + ... + 27531.

It is an arithmetic number, because the mean of its divisors is an integer number (9625770).

Almost surely, 2^105270243 is an apocalyptic number.

105270243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105270243 is a deficient number, since it is larger than the sum of its proper divisors (48742077).

105270243 is a wasteful number, since it uses less digits than its factorization.

105270243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50998.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 105270243 is about 10260.1288003611. The cubic root of 105270243 is about 472.1737890032.

The spelling of 105270243 in words is "one hundred five million, two hundred seventy thousand, two hundred forty-three".