142450423 has 2 divisors, whose sum is σ = 142450424. Its totient is φ = 142450422.

The previous prime is 142450409. The next prime is 142450459. The reversal of 142450423 is 324054241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142450423 - 2⁹ = 142449911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142450723) 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, 71225211 + 71225212.

It is an arithmetic number, because the mean of its divisors is an integer number (71225212).

Almost surely, 2^142450423 is an apocalyptic number.

142450423 is a deficient number, since it is larger than the sum of its proper divisors (1).

142450423 is an equidigital number, since it uses as much as digits as its factorization.

142450423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 142450423 is about 11935.2596536481. The cubic root of 142450423 is about 522.2613829208.

The spelling of 142450423 in words is "one hundred forty-two million, four hundred fifty thousand, four hundred twenty-three".