302444142 has 128 divisors (see below), whose sum is σ = 834720768. Its totient is φ = 70502400.

The previous prime is 302444117. The next prime is 302444143. The reversal of 302444142 is 241444203.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302444143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 221542 + ... + 222902.

It is an arithmetic number, because the mean of its divisors is an integer number (6521256).

Almost surely, 2^302444142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302444142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417360384).

302444142 is an abundant number, since it is smaller than the sum of its proper divisors (532276626).

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

302444142 is a wasteful number, since it uses less digits than its factorization.

302444142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

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

The square root of 302444142 is about 17390.9212521936. The cubic root of 302444142 is about 671.2460231620.

Adding to 302444142 its reverse (241444203), we get a palindrome (543888345).

It can be divided in two parts, 302 and 444142, that added together give a palindrome (444444).

The spelling of 302444142 in words is "three hundred two million, four hundred forty-four thousand, one hundred forty-two".