102303444 has 24 divisors (see below), whose sum is σ = 240429280. Its totient is φ = 33855264.

The previous prime is 102303437. The next prime is 102303451. The reversal of 102303444 is 444303201.

It is an interprime number because it is at equal distance from previous prime (102303437) and next prime (102303451).

It is a super-2 number, since 2×102303444² = 20931989308522272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102303444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28999 + ... + 32334.

Almost surely, 2^102303444 is an apocalyptic number.

It is an amenable number.

102303444 is an abundant number, since it is smaller than the sum of its proper divisors (138125836).

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

102303444 is a wasteful number, since it uses less digits than its factorization.

102303444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61479 (or 61477 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 102303444 is about 10114.5164985777. The cubic root of 102303444 is about 467.6957442376.

Adding to 102303444 its reverse (444303201), we get a palindrome (546606645).

The spelling of 102303444 in words is "one hundred two million, three hundred three thousand, four hundred forty-four".