202444134 has 16 divisors (see below), whose sum is σ = 413503488. Its totient is φ = 66045512.

The previous prime is 202444127. The next prime is 202444139. The reversal of 202444134 is 431444202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202444139) 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, 358662 + ... + 359225.

It is an arithmetic number, because the mean of its divisors is an integer number (25843968).

Almost surely, 2^202444134 is an apocalyptic number.

202444134 is an abundant number, since it is smaller than the sum of its proper divisors (211059354).

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

202444134 is a wasteful number, since it uses less digits than its factorization.

202444134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717939.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 202444134 is about 14228.2864042020. The cubic root of 202444134 is about 587.1761392343.

Adding to 202444134 its reverse (431444202), we get a palindrome (633888336).

The spelling of 202444134 in words is "two hundred two million, four hundred forty-four thousand, one hundred thirty-four".