142666142 has 32 divisors (see below), whose sum is σ = 236615904. Its totient is φ = 64230400.

The previous prime is 142666099. The next prime is 142666151. The reversal of 142666142 is 241666241.

It is a junction number, because it is equal to n+sod(n) for n = 142666099 and 142666108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72917 + ... + 74847.

It is an arithmetic number, because the mean of its divisors is an integer number (7394247).

Almost surely, 2^142666142 is an apocalyptic number.

142666142 is a deficient number, since it is larger than the sum of its proper divisors (93949762).

142666142 is a wasteful number, since it uses less digits than its factorization.

142666142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044.

The product of its digits is 13824, while the sum is 32.

The square root of 142666142 is about 11944.2932817308. The cubic root of 142666142 is about 522.5248778247.

Subtracting 142666142 from its reverse (241666241), we obtain a palindrome (99000099).

The spelling of 142666142 in words is "one hundred forty-two million, six hundred sixty-six thousand, one hundred forty-two".