105500450 has 48 divisors (see below), whose sum is σ = 215048736. Its totient is φ = 38188800.

The previous prime is 105500449. The next prime is 105500489. The reversal of 105500450 is 54005501.

It is a super-2 number, since 2×105500450² = 22260689900405000, which contains 22 as substring.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 237929 + ... + 238371.

It is an arithmetic number, because the mean of its divisors is an integer number (4480182).

Almost surely, 2^105500450 is an apocalyptic number.

105500450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105500450 is an abundant number, since it is smaller than the sum of its proper divisors (109548286).

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

105500450 is a wasteful number, since it uses less digits than its factorization.

105500450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 105500450 is about 10271.3411977210. The cubic root of 105500450 is about 472.5177246694.

Adding to 105500450 its reverse (54005501), we get a palindrome (159505951).

The spelling of 105500450 in words is "one hundred five million, five hundred thousand, four hundred fifty".