103803945 has 64 divisors (see below), whose sum is σ = 202051584. Its totient is φ = 44478720.

The previous prime is 103803943. The next prime is 103803983. The reversal of 103803945 is 549308301.

It is not a de Polignac number, because 103803945 - 2¹ = 103803943 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103803943) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127590 + ... + 128400.

It is an arithmetic number, because the mean of its divisors is an integer number (3157056).

Almost surely, 2^103803945 is an apocalyptic number.

103803945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103803945 is a deficient number, since it is larger than the sum of its proper divisors (98247639).

103803945 is a wasteful number, since it uses less digits than its factorization.

103803945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 103803945 is about 10188.4221055078. The cubic root of 103803945 is about 469.9712446569.

The spelling of 103803945 in words is "one hundred three million, eight hundred three thousand, nine hundred forty-five".