103803645 has 16 divisors (see below), whose sum is σ = 181184832. Its totient is φ = 50328960.

The previous prime is 103803641. The next prime is 103803691. The reversal of 103803645 is 546308301.

It is not a de Polignac number, because 103803645 - 2² = 103803641 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103803641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314392 + ... + 314721.

It is an arithmetic number, because the mean of its divisors is an integer number (11324052).

Almost surely, 2^103803645 is an apocalyptic number.

103803645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103803645 is a deficient number, since it is larger than the sum of its proper divisors (77381187).

103803645 is a wasteful number, since it uses less digits than its factorization.

103803645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629132.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 103803645 is about 10188.4073829034. The cubic root of 103803645 is about 469.9707919076.

The spelling of 103803645 in words is "one hundred three million, eight hundred three thousand, six hundred forty-five".