103643545 has 16 divisors (see below), whose sum is σ = 127860480. Its totient is φ = 80607744.

The previous prime is 103643539. The next prime is 103643581. The reversal of 103643545 is 545346301.

It is a cyclic number.

It is not a de Polignac number, because 103643545 - 2¹³ = 103635353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50377 + ... + 52393.

It is an arithmetic number, because the mean of its divisors is an integer number (7991280).

Almost surely, 2^103643545 is an apocalyptic number.

It is an amenable number.

103643545 is a deficient number, since it is larger than the sum of its proper divisors (24216935).

103643545 is a wasteful number, since it uses less digits than its factorization.

103643545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 103643545 is about 10180.5473821401. The cubic root of 103643545 is about 469.7290501077.

Adding to 103643545 its reverse (545346301), we get a palindrome (648989846).

The spelling of 103643545 in words is "one hundred three million, six hundred forty-three thousand, five hundred forty-five".