102504450 has 48 divisors (see below), whose sum is σ = 255296160. Its totient is φ = 27217920.

The previous prime is 102504443. The next prime is 102504497. The reversal of 102504450 is 54405201.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37221 + ... + 39879.

It is an arithmetic number, because the mean of its divisors is an integer number (5318670).

Almost surely, 2^102504450 is an apocalyptic number.

102504450 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 102504450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127648080).

102504450 is an abundant number, since it is smaller than the sum of its proper divisors (152791710).

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

102504450 is a wasteful number, since it uses less digits than its factorization.

102504450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931 (or 2926 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 102504450 is about 10124.4481331083. The cubic root of 102504450 is about 468.0018536708.

Adding to 102504450 its reverse (54405201), we get a palindrome (156909651).

The spelling of 102504450 in words is "one hundred two million, five hundred four thousand, four hundred fifty".