1442243004 has 12 divisors (see below), whose sum is σ = 3365233704. Its totient is φ = 480747664.

The previous prime is 1442243003. The next prime is 1442243021. The reversal of 1442243004 is 4003422441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442243003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60093447 + ... + 60093470.

It is an arithmetic number, because the mean of its divisors is an integer number (280436142).

Almost surely, 2^1442243004 is an apocalyptic number.

It is an amenable number.

1442243004 is an abundant number, since it is smaller than the sum of its proper divisors (1922990700).

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

1442243004 is a wasteful number, since it uses less digits than its factorization.

1442243004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120186924 (or 120186922 counting only the distinct ones).

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

The square root of 1442243004 is about 37976.8745949426. The cubic root of 1442243004 is about 1129.8292492669.

Adding to 1442243004 its reverse (4003422441), we get a palindrome (5445665445).

The spelling of 1442243004 in words is "one billion, four hundred forty-two million, two hundred forty-three thousand, four".