102442304 has 28 divisors (see below), whose sum is σ = 203607924. Its totient is φ = 51139584.

The previous prime is 102442303. The next prime is 102442339. The reversal of 102442304 is 403244201.

It can be written as a sum of positive squares in 2 ways, for example, as 40347904 + 62094400 = 6352^2 + 7880^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102442303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70772 + ... + 72204.

Almost surely, 2^102442304 is an apocalyptic number.

It is an amenable number.

102442304 is a deficient number, since it is larger than the sum of its proper divisors (101165620).

102442304 is a wasteful number, since it uses less digits than its factorization.

102442304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562 (or 2552 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 102442304 is about 10121.3785622315. The cubic root of 102442304 is about 467.9072551016.

Adding to 102442304 its reverse (403244201), we get a palindrome (505686505).

The spelling of 102442304 in words is "one hundred two million, four hundred forty-two thousand, three hundred four".