1442187028 has 24 divisors (see below), whose sum is σ = 2604026880. Its totient is φ = 698524320.

The previous prime is 1442187017. The next prime is 1442187059. The reversal of 1442187028 is 8207812441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26308 + ... + 59803.

It is an arithmetic number, because the mean of its divisors is an integer number (108501120).

Almost surely, 2^1442187028 is an apocalyptic number.

It is an amenable number.

1442187028 is a deficient number, since it is larger than the sum of its proper divisors (1161839852).

1442187028 is a wasteful number, since it uses less digits than its factorization.

1442187028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86247 (or 86245 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 1442187028 is about 37976.1376129801. The cubic root of 1442187028 is about 1129.8146321878.

Adding to 1442187028 its reverse (8207812441), we get a palindrome (9649999469).

The spelling of 1442187028 in words is "one billion, four hundred forty-two million, one hundred eighty-seven thousand, twenty-eight".