102243242 has 8 divisors (see below), whose sum is σ = 153469632. Its totient is φ = 51086700.

The previous prime is 102243227. The next prime is 102243263. The reversal of 102243242 is 242342201.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 13634 + ... + 19757.

It is an arithmetic number, because the mean of its divisors is an integer number (19183704).

Almost surely, 2^102243242 is an apocalyptic number.

102243242 is a deficient number, since it is larger than the sum of its proper divisors (51226390).

102243242 is a wasteful number, since it uses less digits than its factorization.

102243242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34924.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 102243242 is about 10111.5400409631. The cubic root of 102243242 is about 467.6039853717.

Adding to 102243242 its reverse (242342201), we get a palindrome (344585443).

The spelling of 102243242 in words is "one hundred two million, two hundred forty-three thousand, two hundred forty-two".