102152250 has 96 divisors (see below), whose sum is σ = 280058688. Its totient is φ = 26863200.

The previous prime is 102152243. The next prime is 102152251. The reversal of 102152250 is 52251201.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102152251) 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 47 ways as a sum of consecutive naturals, for example, 186477 + ... + 187023.

It is an arithmetic number, because the mean of its divisors is an integer number (2917278).

Almost surely, 2^102152250 is an apocalyptic number.

102152250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102152250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140029344).

102152250 is an abundant number, since it is smaller than the sum of its proper divisors (177906438).

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

102152250 is a wasteful number, since it uses less digits than its factorization.

102152250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 102152250 is about 10107.0396259241. The cubic root of 102152250 is about 467.4652285233.

The spelling of 102152250 in words is "one hundred two million, one hundred fifty-two thousand, two hundred fifty".