1442147620 has 24 divisors (see below), whose sum is σ = 3079843200. Its totient is φ = 567081312.

The previous prime is 1442147617. The next prime is 1442147639. The reversal of 1442147620 is 267412441.

1442147620 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 609900 + ... + 612259.

It is an arithmetic number, because the mean of its divisors is an integer number (128326800).

Almost surely, 2^1442147620 is an apocalyptic number.

1442147620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442147620 is an abundant number, since it is smaller than the sum of its proper divisors (1637695580).

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

1442147620 is a wasteful number, since it uses less digits than its factorization.

1442147620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222227 (or 1222225 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 1442147620 is about 37975.6187573027. The cubic root of 1442147620 is about 1129.8043413033.

The spelling of 1442147620 in words is "one billion, four hundred forty-two million, one hundred forty-seven thousand, six hundred twenty".