103887345 has 32 divisors (see below), whose sum is σ = 176716800. Its totient is φ = 51966144.

The previous prime is 103887313. The next prime is 103887347. The reversal of 103887345 is 543788301.

It is not a de Polignac number, because 103887345 - 2⁵ = 103887313 is a prime.

It is a super-2 number, since 2×103887345² = 21585160902298050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103887347) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 27586 + ... + 31124.

It is an arithmetic number, because the mean of its divisors is an integer number (5522400).

Almost surely, 2^103887345 is an apocalyptic number.

103887345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103887345 is a deficient number, since it is larger than the sum of its proper divisors (72829455).

103887345 is a wasteful number, since it uses less digits than its factorization.

103887345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 103887345 is about 10192.5141648172. The cubic root of 103887345 is about 470.0970751650.

The spelling of 103887345 in words is "one hundred three million, eight hundred eighty-seven thousand, three hundred forty-five".