1442046047 has 4 divisors (see below), whose sum is σ = 1552972680. Its totient is φ = 1331119416.

The previous prime is 1442046043. The next prime is 1442046049. The reversal of 1442046047 is 7406402441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7406402441 = 223 ⋅33212567.

It is a cyclic number.

It is not a de Polignac number, because 1442046047 - 2² = 1442046043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442046043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55463297 + ... + 55463322.

It is an arithmetic number, because the mean of its divisors is an integer number (388243170).

Almost surely, 2^1442046047 is an apocalyptic number.

1442046047 is a deficient number, since it is larger than the sum of its proper divisors (110926633).

1442046047 is a wasteful number, since it uses less digits than its factorization.

1442046047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110926632.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 1442046047 is about 37974.2813888558. The cubic root of 1442046047 is about 1129.7778159765. Note that the first 3 decimals are identical.

Adding to 1442046047 its reverse (7406402441), we get a palindrome (8848448488).

The spelling of 1442046047 in words is "one billion, four hundred forty-two million, forty-six thousand, forty-seven".