102245388 has 24 divisors (see below), whose sum is σ = 272654592. Its totient is φ = 29212944.

The previous prime is 102245371. The next prime is 102245389. The reversal of 102245388 is 883542201.

It is not an unprimeable number, because it can be changed into a prime (102245389) 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, 608520 + ... + 608687.

It is an arithmetic number, because the mean of its divisors is an integer number (11360608).

Almost surely, 2^102245388 is an apocalyptic number.

It is an amenable number.

102245388 is an abundant number, since it is smaller than the sum of its proper divisors (170409204).

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

102245388 is a wasteful number, since it uses less digits than its factorization.

102245388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217221 (or 1217219 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 102245388 is about 10111.6461567838. The cubic root of 102245388 is about 467.6072568875.

Adding to 102245388 its reverse (883542201), we get a palindrome (985787589).

The spelling of 102245388 in words is "one hundred two million, two hundred forty-five thousand, three hundred eighty-eight".