103866645 has 16 divisors (see below), whose sum is σ = 167713920. Its totient is φ = 54886464.

The previous prime is 103866641. The next prime is 103866671. The reversal of 103866645 is 546668301.

It is not a de Polignac number, because 103866645 - 2² = 103866641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103866641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30129 + ... + 33398.

It is an arithmetic number, because the mean of its divisors is an integer number (10482120).

Almost surely, 2^103866645 is an apocalyptic number.

103866645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103866645 is a deficient number, since it is larger than the sum of its proper divisors (63847275).

103866645 is a wasteful number, since it uses less digits than its factorization.

103866645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63644.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 103866645 is about 10191.4986631015. The cubic root of 103866645 is about 470.0658501367.

The spelling of 103866645 in words is "one hundred three million, eight hundred sixty-six thousand, six hundred forty-five".