102845900 has 36 divisors (see below), whose sum is σ = 224834568. Its totient is φ = 40832640.

The previous prime is 102845893. The next prime is 102845923. The reversal of 102845900 is 9548201.

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, 9947 + ... + 17453.

Almost surely, 2^102845900 is an apocalyptic number.

102845900 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 102845900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112417284).

102845900 is an abundant number, since it is smaller than the sum of its proper divisors (121988668).

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

102845900 is a wasteful number, since it uses less digits than its factorization.

102845900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7658 (or 7651 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 102845900 is about 10141.2967612628. The cubic root of 102845900 is about 468.5209274806.

The spelling of 102845900 in words is "one hundred two million, eight hundred forty-five thousand, nine hundred".