102243250242 has 32 divisors (see below), whose sum is σ = 259665398400. Its totient is φ = 29212357104.

The previous prime is 102243250217. The next prime is 102243250259. The reversal of 102243250242 is 242052342201.

102243250242 is a `hidden beast` number, since 102 + 24 + 32 + 502 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135242017 + ... + 135242772.

It is an arithmetic number, because the mean of its divisors is an integer number (8114543700).

Almost surely, 2^102243250242 is an apocalyptic number.

102243250242 is an abundant number, since it is smaller than the sum of its proper divisors (157422148158).

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

102243250242 is a wasteful number, since it uses less digits than its factorization.

102243250242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270484807 (or 270484801 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 102243250242 its reverse (242052342201), we get a palindrome (344295592443).

The spelling of 102243250242 in words is "one hundred two billion, two hundred forty-three million, two hundred fifty thousand, two hundred forty-two".