1442212143 has 8 divisors (see below), whose sum is σ = 1937629056. Its totient is φ = 954135000.

The previous prime is 1442212141. The next prime is 1442212151. The reversal of 1442212143 is 3412122441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1442212143 - 2¹ = 1442212141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442212141) 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 7 ways as a sum of consecutive naturals, for example, 1834483 + ... + 1835268.

It is an arithmetic number, because the mean of its divisors is an integer number (242203632).

Almost surely, 2^1442212143 is an apocalyptic number.

1442212143 is a deficient number, since it is larger than the sum of its proper divisors (495416913).

1442212143 is a wasteful number, since it uses less digits than its factorization.

1442212143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669885.

The product of its digits is 1536, while the sum is 24.

The square root of 1442212143 is about 37976.4682797124. The cubic root of 1442212143 is about 1129.8211905442.

Adding to 1442212143 its reverse (3412122441), we get a palindrome (4854334584).

It can be divided in two parts, 14422 and 12143, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 1442212143 in words is "one billion, four hundred forty-two million, two hundred twelve thousand, one hundred forty-three".