105554242 has 8 divisors (see below), whose sum is σ = 158838156. Its totient is φ = 52608192.

The previous prime is 105554221. The next prime is 105554243. The reversal of 105554242 is 242455501.

It can be written as a sum of positive squares in 2 ways, for example, as 89321401 + 16232841 = 9451^2 + 4029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105554242² = 22283396008389128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105554242.

It is not an unprimeable number, because it can be changed into a prime (105554243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83683 + ... + 84934.

Almost surely, 2^105554242 is an apocalyptic number.

105554242 is a deficient number, since it is larger than the sum of its proper divisors (53283914).

105554242 is a wasteful number, since it uses less digits than its factorization.

105554242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168932.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 105554242 is about 10273.9594120281. The cubic root of 105554242 is about 472.5980192866.

The spelling of 105554242 in words is "one hundred five million, five hundred fifty-four thousand, two hundred forty-two".