105445530 has 32 divisors (see below), whose sum is σ = 281188800. Its totient is φ = 28118736.

The previous prime is 105445519. The next prime is 105445553. The reversal of 105445530 is 35544501.

105445530 is a `hidden beast` number, since 105 + 4 + 4 + 553 + 0 = 666.

It is a super-2 number, since 2×105445530² = 22237519593961800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 105445494 and 105445503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195000 + ... + 195539.

It is an arithmetic number, because the mean of its divisors is an integer number (8787150).

Almost surely, 2^105445530 is an apocalyptic number.

105445530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105445530 is an abundant number, since it is smaller than the sum of its proper divisors (175743270).

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

105445530 is a wasteful number, since it uses less digits than its factorization.

105445530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390555 (or 390549 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 105445530 is about 10268.6673916336. The cubic root of 105445530 is about 472.4357181384.

The spelling of 105445530 in words is "one hundred five million, four hundred forty-five thousand, five hundred thirty".