105544245 has 48 divisors (see below), whose sum is σ = 181960128. Its totient is φ = 52224000.

The previous prime is 105544193. The next prime is 105544261. The reversal of 105544245 is 542445501.

It is a de Polignac number, because none of the positive numbers 2^k-105544245 is a prime.

It is a super-2 number, since 2×105544245² = 22279175305240050, which contains 22 as substring.

It is a congruent number.

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, 420370 + ... + 420620.

It is an arithmetic number, because the mean of its divisors is an integer number (3790836).

Almost surely, 2^105544245 is an apocalyptic number.

105544245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105544245 is a deficient number, since it is larger than the sum of its proper divisors (76415883).

105544245 is a wasteful number, since it uses less digits than its factorization.

105544245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 105544245 is about 10273.4728792166. The cubic root of 105544245 is about 472.5830989591.

Adding to 105544245 its reverse (542445501), we get a palindrome (647989746).

The spelling of 105544245 in words is "one hundred five million, five hundred forty-four thousand, two hundred forty-five".