202245102 has 24 divisors (see below), whose sum is σ = 438656400. Its totient is φ = 67344480.

The previous prime is 202245079. The next prime is 202245103. The reversal of 202245102 is 201542202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202245103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13527 + ... + 24237.

It is an arithmetic number, because the mean of its divisors is an integer number (18277350).

Almost surely, 2^202245102 is an apocalyptic number.

202245102 is an abundant number, since it is smaller than the sum of its proper divisors (236411298).

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

202245102 is a wasteful number, since it uses less digits than its factorization.

202245102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11768 (or 11765 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 202245102 is about 14221.2904477758. The cubic root of 202245102 is about 586.9836496505.

Adding to 202245102 its reverse (201542202), we get a palindrome (403787304).

The spelling of 202245102 in words is "two hundred two million, two hundred forty-five thousand, one hundred two".