103830645 has 16 divisors (see below), whose sum is σ = 175901760. Its totient is φ = 52118784.

The previous prime is 103830631. The next prime is 103830647. The reversal of 103830645 is 546038301.

It is not a de Polignac number, because 103830645 - 2⁶ = 103830581 is a prime.

It is a super-2 number, since 2×103830645² = 21561605682232050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103830647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203335 + ... + 203844.

It is an arithmetic number, because the mean of its divisors is an integer number (10993860).

Almost surely, 2^103830645 is an apocalyptic number.

103830645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103830645 is a deficient number, since it is larger than the sum of its proper divisors (72071115).

103830645 is a wasteful number, since it uses less digits than its factorization.

103830645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407204.

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

The square root of 103830645 is about 10189.7323321076. The cubic root of 103830645 is about 470.0115358569.

Adding to 103830645 its reverse (546038301), we get a palindrome (649868946).

The spelling of 103830645 in words is "one hundred three million, eight hundred thirty thousand, six hundred forty-five".