102234245 has 4 divisors (see below), whose sum is σ = 122681100. Its totient is φ = 81787392.

The previous prime is 102234233. The next prime is 102234271. The reversal of 102234245 is 542432201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542432201 = 67 ⋅8096003.

It can be written as a sum of positive squares in 2 ways, for example, as 26770276 + 75463969 = 5174^2 + 8687^2 .

It is a cyclic number.

It is not a de Polignac number, because 102234245 - 2⁴ = 102234229 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102234245.

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, 10223420 + ... + 10223429.

It is an arithmetic number, because the mean of its divisors is an integer number (30670275).

Almost surely, 2^102234245 is an apocalyptic number.

It is an amenable number.

102234245 is a deficient number, since it is larger than the sum of its proper divisors (20446855).

102234245 is an equidigital number, since it uses as much as digits as its factorization.

102234245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20446854.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 102234245 is about 10111.0951434550. The cubic root of 102234245 is about 467.5902692037.

Adding to 102234245 its reverse (542432201), we get a palindrome (644666446).

The spelling of 102234245 in words is "one hundred two million, two hundred thirty-four thousand, two hundred forty-five".