142450459 has 2 divisors, whose sum is σ = 142450460. Its totient is φ = 142450458.

The previous prime is 142450423. The next prime is 142450513. The reversal of 142450459 is 954054241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142450459 - 2⁷ = 142450331 is a prime.

It is not a weakly prime, because it can be changed into another prime (142450409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71225229 + 71225230.

It is an arithmetic number, because the mean of its divisors is an integer number (71225230).

Almost surely, 2^142450459 is an apocalyptic number.

142450459 is a deficient number, since it is larger than the sum of its proper divisors (1).

142450459 is an equidigital number, since it uses as much as digits as its factorization.

142450459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 142450459 is about 11935.2611617844. The cubic root of 142450459 is about 522.2614269160.

The spelling of 142450459 in words is "one hundred forty-two million, four hundred fifty thousand, four hundred fifty-nine".