142666276 has 6 divisors (see below), whose sum is σ = 249665990. Its totient is φ = 71333136.

The previous prime is 142666267. The next prime is 142666289. The reversal of 142666276 is 672666241.

It can be written as a sum of positive squares in only one way, i.e., 107619876 + 35046400 = 10374^2 + 5920^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17833281 + ... + 17833288.

Almost surely, 2^142666276 is an apocalyptic number.

It is an amenable number.

142666276 is a deficient number, since it is larger than the sum of its proper divisors (106999714).

142666276 is a wasteful number, since it uses less digits than its factorization.

142666276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35666573 (or 35666571 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 142666276 is about 11944.2988911028. The cubic root of 142666276 is about 522.5250414194.

The spelling of 142666276 in words is "one hundred forty-two million, six hundred sixty-six thousand, two hundred seventy-six".