142665141629 has 4 divisors (see below), whose sum is σ = 142814843676. Its totient is φ = 142515439584.

The previous prime is 142665141623. The next prime is 142665141631. The reversal of 142665141629 is 926141566241.

142665141629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 84115660729 + 58549480900 = 290027^2 + 241970^2 .

It is a cyclic number.

It is not a de Polignac number, because 142665141629 - 2²⁸ = 142396706173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142665141623) 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 in 3 ways as a sum of consecutive naturals, for example, 74849594 + ... + 74851499.

It is an arithmetic number, because the mean of its divisors is an integer number (35703710919).

Almost surely, 2^142665141629 is an apocalyptic number.

It is an amenable number.

142665141629 is a deficient number, since it is larger than the sum of its proper divisors (149702047).

142665141629 is an equidigital number, since it uses as much as digits as its factorization.

142665141629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149702046.

The product of its digits is 622080, while the sum is 47.

The spelling of 142665141629 in words is "one hundred forty-two billion, six hundred sixty-five million, one hundred forty-one thousand, six hundred twenty-nine".