102254550 has 96 divisors (see below), whose sum is σ = 268054272. Its totient is φ = 25745280.

The previous prime is 102254549. The next prime is 102254567. The reversal of 102254550 is 55452201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102254550.

It is a congruent number.

It is an unprimeable number.

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, 369012 + ... + 369288.

It is an arithmetic number, because the mean of its divisors is an integer number (2792232).

Almost surely, 2^102254550 is an apocalyptic number.

102254550 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 102254550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134027136).

102254550 is an abundant number, since it is smaller than the sum of its proper divisors (165799722).

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

102254550 is a wasteful number, since it uses less digits than its factorization.

102254550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 102254550 is about 10112.0991885958. The cubic root of 102254550 is about 467.6212235801.

The spelling of 102254550 in words is "one hundred two million, two hundred fifty-four thousand, five hundred fifty".