102243148 has 24 divisors (see below), whose sum is σ = 208347552. Its totient is φ = 42991104.

The previous prime is 102243133. The next prime is 102243149. The reversal of 102243148 is 841342201.

It is a super-2 number, since 2×102243148² = 20907322625899808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102243149) by changing a digit.

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, 32965 + ... + 35932.

It is an arithmetic number, because the mean of its divisors is an integer number (8681148).

Almost surely, 2^102243148 is an apocalyptic number.

It is an amenable number.

102243148 is an abundant number, since it is smaller than the sum of its proper divisors (106104404).

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

102243148 is a wasteful number, since it uses less digits than its factorization.

102243148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68961 (or 68959 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 102243148 is about 10111.5353928076. The cubic root of 102243148 is about 467.6038420704.

Adding to 102243148 its reverse (841342201), we get a palindrome (943585349).

The spelling of 102243148 in words is "one hundred two million, two hundred forty-three thousand, one hundred forty-eight".