105489192 has 32 divisors (see below), whose sum is σ = 264358080. Its totient is φ = 35078400.

The previous prime is 105489179. The next prime is 105489193. The reversal of 105489192 is 291984501.

It is a super-2 number, since 2×105489192² = 22255939257625728, 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 105489192.

It is not an unprimeable number, because it can be changed into a prime (105489193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5317 + ... + 15467.

It is an arithmetic number, because the mean of its divisors is an integer number (8261190).

Almost surely, 2^105489192 is an apocalyptic number.

105489192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105489192 is an abundant number, since it is smaller than the sum of its proper divisors (158868888).

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

105489192 is a wasteful number, since it uses less digits than its factorization.

105489192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10593 (or 10589 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 105489192 is about 10270.7931534035. The cubic root of 105489192 is about 472.5009165459.

The spelling of 105489192 in words is "one hundred five million, four hundred eighty-nine thousand, one hundred ninety-two".