201442102 has 16 divisors (see below), whose sum is σ = 310464000. Its totient is φ = 97968960.

The previous prime is 201442099. The next prime is 201442103. The reversal of 201442102 is 201244102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201442103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25099 + ... + 32137.

It is an arithmetic number, because the mean of its divisors is an integer number (19404000).

Almost surely, 2^201442102 is an apocalyptic number.

201442102 is a deficient number, since it is larger than the sum of its proper divisors (109021898).

201442102 is a wasteful number, since it uses less digits than its factorization.

201442102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 201442102 is about 14193.0300499928. The cubic root of 201442102 is about 586.2057600773.

Adding to 201442102 its reverse (201244102), we get a palindrome (402686204).

The spelling of 201442102 in words is "two hundred one million, four hundred forty-two thousand, one hundred two".