142544266677 has 12 divisors (see below), whose sum is σ = 209272640044. Its totient is φ = 93471649920.

The previous prime is 142544266609. The next prime is 142544266679. The reversal of 142544266677 is 776662445241.

It can be written as a sum of positive squares in 2 ways, for example, as 33162595236 + 109381671441 = 182106^2 + 330729^2 .

It is not a de Polignac number, because 142544266677 - 2²⁰ = 142543218101 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 (142544266679) 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 in 11 ways as a sum of consecutive naturals, for example, 129821188 + ... + 129822285.

Almost surely, 2^142544266677 is an apocalyptic number.

It is an amenable number.

142544266677 is a deficient number, since it is larger than the sum of its proper divisors (66728373367).

142544266677 is a wasteful number, since it uses less digits than its factorization.

142544266677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259643540 (or 259643537 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 54.

The spelling of 142544266677 in words is "one hundred forty-two billion, five hundred forty-four million, two hundred sixty-six thousand, six hundred seventy-seven".