102243192 has 16 divisors (see below), whose sum is σ = 255608040. Its totient is φ = 34081056.

The previous prime is 102243187. The next prime is 102243221. The reversal of 102243192 is 291342201.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 4260133 = 102243192 / (1 + 0 + 2 + 2 + 4 + 3 + 1 + 9 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2130043 + ... + 2130090.

Almost surely, 2^102243192 is an apocalyptic number.

102243192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102243192 is an abundant number, since it is smaller than the sum of its proper divisors (153364848).

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

102243192 is a wasteful number, since it uses less digits than its factorization.

102243192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260142 (or 4260138 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 102243192 is about 10111.5375685402. The cubic root of 102243192 is about 467.6039091476.

Adding to 102243192 its reverse (291342201), we get a palindrome (393585393).

The spelling of 102243192 in words is "one hundred two million, two hundred forty-three thousand, one hundred ninety-two".