105455240 has 32 divisors (see below), whose sum is σ = 258845760. Its totient is φ = 38347200.

The previous prime is 105455237. The next prime is 105455249. The reversal of 105455240 is 42554501.

It is a super-2 number, since 2×105455240² = 22241615286915200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105455249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119396 + ... + 120275.

It is an arithmetic number, because the mean of its divisors is an integer number (8088930).

Almost surely, 2^105455240 is an apocalyptic number.

105455240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105455240 is an abundant number, since it is smaller than the sum of its proper divisors (153390520).

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

105455240 is a wasteful number, since it uses less digits than its factorization.

105455240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239693 (or 239689 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 105455240 is about 10269.1401782233. The cubic root of 105455240 is about 472.4502191799.

The spelling of 105455240 in words is "one hundred five million, four hundred fifty-five thousand, two hundred forty".