1442116457 has 2 divisors, whose sum is σ = 1442116458. Its totient is φ = 1442116456.

The previous prime is 1442116441. The next prime is 1442116469. The reversal of 1442116457 is 7546112441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1373740096 + 68376361 = 37064^2 + 8269^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442116457 - 2⁴ = 1442116441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442116427) 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, 721058228 + 721058229.

It is an arithmetic number, because the mean of its divisors is an integer number (721058229).

Almost surely, 2^1442116457 is an apocalyptic number.

It is an amenable number.

1442116457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442116457 is an equidigital number, since it uses as much as digits as its factorization.

1442116457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 35.

The square root of 1442116457 is about 37975.2084523574. The cubic root of 1442116457 is about 1129.7962033601.

Adding to 1442116457 its reverse (7546112441), we get a palindrome (8988228898).

The spelling of 1442116457 in words is "one billion, four hundred forty-two million, one hundred sixteen thousand, four hundred fifty-seven".