103405144 has 16 divisors (see below), whose sum is σ = 204089400. Its totient is φ = 48981312.

The previous prime is 103405129. The next prime is 103405151. The reversal of 103405144 is 441504301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339997 + ... + 340300.

Almost surely, 2^103405144 is an apocalyptic number.

It is an amenable number.

103405144 is a deficient number, since it is larger than the sum of its proper divisors (100684256).

103405144 is a wasteful number, since it uses less digits than its factorization.

103405144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680322 (or 680318 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 103405144 is about 10168.8319879915. The cubic root of 103405144 is about 469.3686165114.

Adding to 103405144 its reverse (441504301), we get a palindrome (544909445).

The spelling of 103405144 in words is "one hundred three million, four hundred five thousand, one hundred forty-four".