142450301689 has 2 divisors, whose sum is σ = 142450301690. Its totient is φ = 142450301688.

The previous prime is 142450301603. The next prime is 142450301761. The reversal of 142450301689 is 986103054241.

142450301689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138696656400 + 3753645289 = 372420^2 + 61267^2 .

It is a cyclic number.

It is not a de Polignac number, because 142450301689 - 2¹⁵ = 142450268921 is a prime.

It is not a weakly prime, because it can be changed into another prime (142450302689) 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, 71225150844 + 71225150845.

It is an arithmetic number, because the mean of its divisors is an integer number (71225150845).

Almost surely, 2^142450301689 is an apocalyptic number.

It is an amenable number.

142450301689 is a deficient number, since it is larger than the sum of its proper divisors (1).

142450301689 is an equidigital number, since it uses as much as digits as its factorization.

142450301689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 142450301689 in words is "one hundred forty-two billion, four hundred fifty million, three hundred one thousand, six hundred eighty-nine".