1442146 has 16 divisors (see below), whose sum is σ = 2286144. Its totient is φ = 680944.

The previous prime is 1442143. The next prime is 1442159. The reversal of 1442146 is 6412441.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1442143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4776 + ... + 5068.

It is an arithmetic number, because the mean of its divisors is an integer number (142884).

2^1442146 is an apocalyptic number.

1442146 is a deficient number, since it is larger than the sum of its proper divisors (843998).

1442146 is a wasteful number, since it uses less digits than its factorization.

1442146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its digits is 768, while the sum is 22.

The square root of 1442146 is about 1200.8938337755. The cubic root of 1442146 is about 112.9803918257.

Adding to 1442146 its reverse (6412441), we get a palindrome (7854587).

It can be divided in two parts, 14421 and 46, that multiplied together give a palindrome (663366).

The spelling of 1442146 in words is "one million, four hundred forty-two thousand, one hundred forty-six".