1442140351 has 2 divisors, whose sum is σ = 1442140352. Its totient is φ = 1442140350.

The previous prime is 1442140313. The next prime is 1442140373. The reversal of 1442140351 is 1530412441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442140351 - 2¹⁷ = 1442009279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442140951) 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, 721070175 + 721070176.

It is an arithmetic number, because the mean of its divisors is an integer number (721070176).

Almost surely, 2^1442140351 is an apocalyptic number.

1442140351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442140351 is an equidigital number, since it uses as much as digits as its factorization.

1442140351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1442140351 is about 37975.5230510391. The cubic root of 1442140351 is about 1129.8024430784.

Adding to 1442140351 its reverse (1530412441), we get a palindrome (2972552792).

The spelling of 1442140351 in words is "one billion, four hundred forty-two million, one hundred forty thousand, three hundred fifty-one".