102243456 has 192 divisors, whose sum is σ = 347942400. Its totient is φ = 28200960.

The previous prime is 102243443. The next prime is 102243481. The reversal of 102243456 is 654342201.

It is a tau number, because it is divible by the number of its divisors (192).

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, 249780 + ... + 250188.

It is an arithmetic number, because the mean of its divisors is an integer number (1812200).

Almost surely, 2^102243456 is an apocalyptic number.

102243456 is a gapful number since it is divisible by the number (16) 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 102243456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173971200).

102243456 is an abundant number, since it is smaller than the sum of its proper divisors (245698944).

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

102243456 is a wasteful number, since it uses less digits than its factorization.

102243456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 102243456 is about 10111.5506229262. The cubic root of 102243456 is about 467.6043116107.

Adding to 102243456 its reverse (654342201), we get a palindrome (756585657).

The spelling of 102243456 in words is "one hundred two million, two hundred forty-three thousand, four hundred fifty-six".