1442988143 has 2 divisors, whose sum is σ = 1442988144. Its totient is φ = 1442988142.

The previous prime is 1442988137. The next prime is 1442988149. The reversal of 1442988143 is 3418892441.

It is a balanced prime because it is at equal distance from previous prime (1442988137) and next prime (1442988149).

It is a cyclic number.

It is not a de Polignac number, because 1442988143 - 2¹² = 1442984047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1442988094 and 1442988103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442988149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721494071 + 721494072.

It is an arithmetic number, because the mean of its divisors is an integer number (721494072).

Almost surely, 2^1442988143 is an apocalyptic number.

1442988143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442988143 is an equidigital number, since it uses as much as digits as its factorization.

1442988143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 44.

The square root of 1442988143 is about 37986.6837589174. The cubic root of 1442988143 is about 1130.0237922784.

The spelling of 1442988143 in words is "one billion, four hundred forty-two million, nine hundred eighty-eight thousand, one hundred forty-three".