1442433143 has 2 divisors, whose sum is σ = 1442433144. Its totient is φ = 1442433142.

The previous prime is 1442433073. The next prime is 1442433173. The reversal of 1442433143 is 3413342441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442433143 - 2¹⁸ = 1442170999 is a prime.

It is a super-2 number, since 2×1442433143² = 4161226744049716898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442433173) 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 as a sum of consecutive naturals, namely, 721216571 + 721216572.

It is an arithmetic number, because the mean of its divisors is an integer number (721216572).

Almost surely, 2^1442433143 is an apocalyptic number.

1442433143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442433143 is an equidigital number, since it uses as much as digits as its factorization.

1442433143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 29.

The square root of 1442433143 is about 37979.3778648361. The cubic root of 1442433143 is about 1129.8788976649.

Adding to 1442433143 its reverse (3413342441), we get a palindrome (4855775584).

The spelling of 1442433143 in words is "one billion, four hundred forty-two million, four hundred thirty-three thousand, one hundred forty-three".