1442235724 has 12 divisors (see below), whose sum is σ = 2546248824. Its totient is φ = 714736064.

The previous prime is 1442235719. The next prime is 1442235731. The reversal of 1442235724 is 4275322441.

It is a self number, because there is not a number n which added to its sum of digits gives 1442235724.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594942 + ... + 1595845.

It is an arithmetic number, because the mean of its divisors is an integer number (212187402).

Almost surely, 2^1442235724 is an apocalyptic number.

It is an amenable number.

1442235724 is a deficient number, since it is larger than the sum of its proper divisors (1104013100).

1442235724 is a wasteful number, since it uses less digits than its factorization.

1442235724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190904 (or 3190902 counting only the distinct ones).

The product of its digits is 53760, while the sum is 34.

The square root of 1442235724 is about 37976.7787470186. The cubic root of 1442235724 is about 1129.8273482533.

The spelling of 1442235724 in words is "one billion, four hundred forty-two million, two hundred thirty-five thousand, seven hundred twenty-four".