102243982 has 16 divisors (see below), whose sum is σ = 155254320. Its totient is φ = 50495872.

The previous prime is 102243929. The next prime is 102243989. The reversal of 102243982 is 289342201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102243989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87333 + ... + 88495.

It is an arithmetic number, because the mean of its divisors is an integer number (9703395).

Almost surely, 2^102243982 is an apocalyptic number.

102243982 is a deficient number, since it is larger than the sum of its proper divisors (53010338).

102243982 is a wasteful number, since it uses less digits than its factorization.

102243982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 102243982 is about 10111.5766327512. The cubic root of 102243982 is about 467.6051134858.

The spelling of 102243982 in words is "one hundred two million, two hundred forty-three thousand, nine hundred eighty-two".