105404450 has 12 divisors (see below), whose sum is σ = 196052370. Its totient is φ = 42161760.

The previous prime is 105404447. The next prime is 105404461. The reversal of 105404450 is 54404501.

It can be written as a sum of positive squares in 3 ways, for example, as 39778249 + 65626201 = 6307^2 + 8101^2 .

It is a super-2 number, since 2×105404450² = 22220196159605000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1053995 + ... + 1054094.

Almost surely, 2^105404450 is an apocalyptic number.

105404450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105404450 is a deficient number, since it is larger than the sum of its proper divisors (90647920).

105404450 is a wasteful number, since it uses less digits than its factorization.

105404450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108101 (or 2108096 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 105404450 is about 10266.6669372294. Note that the first 3 decimals coincide. The cubic root of 105404450 is about 472.3743588750.

Adding to 105404450 its reverse (54404501), we get a palindrome (159808951).

The spelling of 105404450 in words is "one hundred five million, four hundred four thousand, four hundred fifty".