142451411666 has 8 divisors (see below), whose sum is σ = 214289373900. Its totient is φ = 71021620368.

The previous prime is 142451411659. The next prime is 142451411671. The reversal of 142451411666 is 666114154241.

It can be written as a sum of positive squares in 2 ways, for example, as 132589928641 + 9861483025 = 364129^2 + 99305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102041861 + ... + 102043256.

Almost surely, 2^142451411666 is an apocalyptic number.

142451411666 is a deficient number, since it is larger than the sum of its proper divisors (71837962234).

142451411666 is a wasteful number, since it uses less digits than its factorization.

142451411666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204085468.

The product of its digits is 138240, while the sum is 41.

The spelling of 142451411666 in words is "one hundred forty-two billion, four hundred fifty-one million, four hundred eleven thousand, six hundred sixty-six".