105031144 has 16 divisors (see below), whose sum is σ = 197215200. Its totient is φ = 52440432.

The previous prime is 105031103. The next prime is 105031177. The reversal of 105031144 is 441130501.

It is a super-2 number, since 2×105031144² = 22063082419897472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3214 + ... + 14845.

It is an arithmetic number, because the mean of its divisors is an integer number (12325950).

Almost surely, 2^105031144 is an apocalyptic number.

It is an amenable number.

105031144 is a deficient number, since it is larger than the sum of its proper divisors (92184056).

105031144 is a wasteful number, since it uses less digits than its factorization.

105031144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18792 (or 18788 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 105031144 is about 10248.4703248826. The cubic root of 105031144 is about 471.8160371863.

Adding to 105031144 its reverse (441130501), we get a palindrome (546161645).

The spelling of 105031144 in words is "one hundred five million, thirty-one thousand, one hundred forty-four".