1442515628 has 48 divisors (see below), whose sum is σ = 2675169504. Its totient is φ = 679810560.

The previous prime is 1442515619. The next prime is 1442515631. The reversal of 1442515628 is 8265152441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1442515591 and 1442515600.

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 15 ways as a sum of consecutive naturals, for example, 581126 + ... + 583602.

It is an arithmetic number, because the mean of its divisors is an integer number (55732698).

Almost surely, 2^1442515628 is an apocalyptic number.

It is an amenable number.

1442515628 is a deficient number, since it is larger than the sum of its proper divisors (1232653876).

1442515628 is a wasteful number, since it uses less digits than its factorization.

1442515628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642 (or 2640 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 1442515628 is about 37980.4637675740. The cubic root of 1442515628 is about 1129.9004344885.

The spelling of 1442515628 in words is "one billion, four hundred forty-two million, five hundred fifteen thousand, six hundred twenty-eight".