142666055 has 16 divisors (see below), whose sum is σ = 195870720. Its totient is φ = 97720992.

The previous prime is 142666049. The next prime is 142666093. The reversal of 142666055 is 550666241.

It is a cyclic number.

It is not a de Polignac number, because 142666055 - 2⁴ = 142666039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43172 + ... + 46358.

It is an arithmetic number, because the mean of its divisors is an integer number (12241920).

Almost surely, 2^142666055 is an apocalyptic number.

142666055 is a deficient number, since it is larger than the sum of its proper divisors (53204665).

142666055 is a wasteful number, since it uses less digits than its factorization.

142666055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 142666055 is about 11944.2896398237. The cubic root of 142666055 is about 522.5247716101.

The spelling of 142666055 in words is "one hundred forty-two million, six hundred sixty-six thousand, fifty-five".