142450301666 has 16 divisors (see below), whose sum is σ = 214788572856. Its totient is φ = 70854206976.

The previous prime is 142450301603. The next prime is 142450301689. The reversal of 142450301666 is 666103054241.

It can be written as a sum of positive squares in 4 ways, for example, as 122415314641 + 20034987025 = 349879^2 + 141545^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3675260 + ... + 3713816.

Almost surely, 2^142450301666 is an apocalyptic number.

142450301666 is a deficient number, since it is larger than the sum of its proper divisors (72338271190).

142450301666 is a wasteful number, since it uses less digits than its factorization.

142450301666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48133.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 142450301666 in words is "one hundred forty-two billion, four hundred fifty million, three hundred one thousand, six hundred sixty-six".