1144459042 has 4 divisors (see below), whose sum is σ = 1716688566. Its totient is φ = 572229520.

The previous prime is 1144459037. The next prime is 1144459067. The reversal of 1144459042 is 2409544411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 651219361 + 493239681 = 25519^2 + 22209^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1144458989 and 1144459007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286114759 + ... + 286114762.

Almost surely, 2^1144459042 is an apocalyptic number.

1144459042 is a deficient number, since it is larger than the sum of its proper divisors (572229524).

1144459042 is an equidigital number, since it uses as much as digits as its factorization.

1144459042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572229523.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1144459042 is about 33829.8543006026. The cubic root of 1144459042 is about 1046.0041756527.

The spelling of 1144459042 in words is "one billion, one hundred forty-four million, four hundred fifty-nine thousand, forty-two".