103815000 has 160 divisors (see below), whose sum is σ = 360822000. Its totient is φ = 27648000.

The previous prime is 103814999. The next prime is 103815013. The reversal of 103815000 is 518301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 134616 + ... + 135384.

Almost surely, 2^103815000 is an apocalyptic number.

103815000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103815000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180411000).

103815000 is an abundant number, since it is smaller than the sum of its proper divisors (257007000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103815000 is an equidigital number, since it uses as much as digits as its factorization.

103815000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 103815000 is about 10188.9646186450. The cubic root of 103815000 is about 469.9879278626.

The spelling of 103815000 in words is "one hundred three million, eight hundred fifteen thousand".