105140944 has 10 divisors (see below), whose sum is σ = 203710610. Its totient is φ = 52570464.

The previous prime is 105140897. The next prime is 105140947. The reversal of 105140944 is 449041501.

It can be written as a sum of positive squares in only one way, i.e., 103795344 + 1345600 = 10188^2 + 1160^2 .

It is a super-2 number, since 2×105140944² = 22109236210422272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105140947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3285639 + ... + 3285670.

It is an arithmetic number, because the mean of its divisors is an integer number (20371061).

Almost surely, 2^105140944 is an apocalyptic number.

It is an amenable number.

105140944 is a deficient number, since it is larger than the sum of its proper divisors (98569666).

105140944 is an equidigital number, since it uses as much as digits as its factorization.

105140944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6571317 (or 6571311 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 105140944 is about 10253.8258225893. The cubic root of 105140944 is about 471.9803927506.

The spelling of 105140944 in words is "one hundred five million, one hundred forty thousand, nine hundred forty-four".