103145100 has 36 divisors (see below), whose sum is σ = 298434024. Its totient is φ = 27505280.

The previous prime is 103145099. The next prime is 103145113. The reversal of 103145100 is 1541301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 103145100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171609 + ... + 172208.

It is an arithmetic number, because the mean of its divisors is an integer number (8289834).

Almost surely, 2^103145100 is an apocalyptic number.

103145100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103145100 is an abundant number, since it is smaller than the sum of its proper divisors (195288924).

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

103145100 is a wasteful number, since it uses less digits than its factorization.

103145100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343834 (or 343827 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 103145100 is about 10156.0376131639. The cubic root of 103145100 is about 468.9748290357.

Adding to 103145100 its reverse (1541301), we get a palindrome (104686401).

The spelling of 103145100 in words is "one hundred three million, one hundred forty-five thousand, one hundred".