1442530459 has 2 divisors, whose sum is σ = 1442530460. Its totient is φ = 1442530458.

The previous prime is 1442530421. The next prime is 1442530477. The reversal of 1442530459 is 9540352441.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9540352441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1442530459 - 2¹⁵ = 1442497691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442530259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721265229 + 721265230.

It is an arithmetic number, because the mean of its divisors is an integer number (721265230).

Almost surely, 2^1442530459 is an apocalyptic number.

1442530459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442530459 is an equidigital number, since it uses as much as digits as its factorization.

1442530459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 1442530459 is about 37980.6590121867. The cubic root of 1442530459 is about 1129.9043067737.

The spelling of 1442530459 in words is "one billion, four hundred forty-two million, five hundred thirty thousand, four hundred fifty-nine".