102444264 has 80 divisors (see below), whose sum is σ = 309036420. Its totient is φ = 31518720.

The previous prime is 102444259. The next prime is 102444271. The reversal of 102444264 is 462444201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 91355364 + 11088900 = 9558^2 + 3330^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

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 19 ways as a sum of consecutive naturals, for example, 2344 + ... + 14504.

Almost surely, 2^102444264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102444264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154518210).

102444264 is an abundant number, since it is smaller than the sum of its proper divisors (206592156).

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

102444264 is a wasteful number, since it uses less digits than its factorization.

102444264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12192 (or 12179 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 102444264 is about 10121.4753865234. The cubic root of 102444264 is about 467.9102391955.

Adding to 102444264 its reverse (462444201), we get a palindrome (564888465).

The spelling of 102444264 in words is "one hundred two million, four hundred forty-four thousand, two hundred sixty-four".