105531426 has 96 divisors (see below), whose sum is σ = 307052928. Its totient is φ = 25297920.

The previous prime is 105531401. The next prime is 105531443. The reversal of 105531426 is 624135501.

105531426 is a `hidden beast` number, since 105 + 531 + 4 + 26 = 666.

It is a super-2 number, since 2×105531426² = 22273763747186952, 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 105531426.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15090 + ... + 20946.

It is an arithmetic number, because the mean of its divisors is an integer number (3198468).

Almost surely, 2^105531426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105531426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153526464).

105531426 is an abundant number, since it is smaller than the sum of its proper divisors (201521502).

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

105531426 is a wasteful number, since it uses less digits than its factorization.

105531426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896 (or 5893 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 105531426 is about 10272.8489719259. The cubic root of 105531426 is about 472.5639654730.

Adding to 105531426 its reverse (624135501), we get a palindrome (729666927).

The spelling of 105531426 in words is "one hundred five million, five hundred thirty-one thousand, four hundred twenty-six".