102442450 has 24 divisors (see below), whose sum is σ = 207866160. Its totient is φ = 37251600.

The previous prime is 102442447. The next prime is 102442511. The reversal of 102442450 is 54244201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 11 ways as a sum of consecutive naturals, for example, 92580 + ... + 93679.

It is an arithmetic number, because the mean of its divisors is an integer number (8661090).

Almost surely, 2^102442450 is an apocalyptic number.

102442450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102442450 is an abundant number, since it is smaller than the sum of its proper divisors (105423710).

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

102442450 is a wasteful number, since it uses less digits than its factorization.

102442450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186282 (or 186277 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 102442450 is about 10121.3857746852. The cubic root of 102442450 is about 467.9074773875.

Adding to 102442450 its reverse (54244201), we get a palindrome (156686651).

The spelling of 102442450 in words is "one hundred two million, four hundred forty-two thousand, four hundred fifty".