105243898 has 16 divisors (see below), whose sum is σ = 159423264. Its totient is φ = 52105680.

The previous prime is 105243893. The next prime is 105243911. The reversal of 105243898 is 898342501.

It is a super-2 number, since 2×105243898² = 22152556132468808, 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 105243898.

It is not an unprimeable number, because it can be changed into a prime (105243893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110661 + ... + 111607.

It is an arithmetic number, because the mean of its divisors is an integer number (9963954).

Almost surely, 2^105243898 is an apocalyptic number.

105243898 is a deficient number, since it is larger than the sum of its proper divisors (54179366).

105243898 is a wasteful number, since it uses less digits than its factorization.

105243898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 105243898 is about 10258.8448667479. The cubic root of 105243898 is about 472.1343968763.

The spelling of 105243898 in words is "one hundred five million, two hundred forty-three thousand, eight hundred ninety-eight".