142488179666 has 12 divisors (see below), whose sum is σ = 248627334078. Its totient is φ = 61066362672.

The previous prime is 142488179653. The next prime is 142488179677. The reversal of 142488179666 is 666971884241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 96801254641 + 45686925025 = 311129^2 + 213745^2 .

It is a super-3 number, since 3×142488179666³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142488179599 and 142488179608.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 726980411 + ... + 726980606.

Almost surely, 2^142488179666 is an apocalyptic number.

142488179666 is a deficient number, since it is larger than the sum of its proper divisors (106139154412).

142488179666 is a wasteful number, since it uses less digits than its factorization.

142488179666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453961033 (or 1453961026 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 62.

The spelling of 142488179666 in words is "one hundred forty-two billion, four hundred eighty-eight million, one hundred seventy-nine thousand, six hundred sixty-six".