105432270 has 16 divisors (see below), whose sum is σ = 253037520. Its totient is φ = 28115264.

The previous prime is 105432247. The next prime is 105432329. The reversal of 105432270 is 72234501.

It is a super-2 number, since 2×105432270² = 22231927114705800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105432270.

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, 1757175 + ... + 1757234.

It is an arithmetic number, because the mean of its divisors is an integer number (15814845).

Almost surely, 2^105432270 is an apocalyptic number.

105432270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105432270 is an abundant number, since it is smaller than the sum of its proper divisors (147605250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105432270 is a wasteful number, since it uses less digits than its factorization.

105432270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514419.

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

The square root of 105432270 is about 10268.0217179357. The cubic root of 105432270 is about 472.4159140423.

Adding to 105432270 its reverse (72234501), we get a palindrome (177666771).

The spelling of 105432270 in words is "one hundred five million, four hundred thirty-two thousand, two hundred seventy".