102248144 has 20 divisors (see below), whose sum is σ = 198617124. Its totient is φ = 50992128.

The previous prime is 102248143. The next prime is 102248147. The reversal of 102248144 is 441842201.

It can be written as a sum of positive squares in 2 ways, for example, as 63808144 + 38440000 = 7988^2 + 6200^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102248143) 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 3 ways as a sum of consecutive naturals, for example, 1697 + ... + 14400.

Almost surely, 2^102248144 is an apocalyptic number.

It is an amenable number.

102248144 is a deficient number, since it is larger than the sum of its proper divisors (96368980).

102248144 is a wasteful number, since it uses less digits than its factorization.

102248144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16502 (or 16496 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 102248144 is about 10111.7824343683. The cubic root of 102248144 is about 467.6114582637.

The spelling of 102248144 in words is "one hundred two million, two hundred forty-eight thousand, one hundred forty-four".