142066655 has 8 divisors (see below), whose sum is σ = 170595600. Its totient is φ = 113576256.

The previous prime is 142066649. The next prime is 142066657. The reversal of 142066655 is 556660241.

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

It is a cyclic number.

It is not a de Polignac number, because 142066655 - 2¹⁸ = 141804511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142066657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785 + ... + 16874.

It is an arithmetic number, because the mean of its divisors is an integer number (21324450).

Almost surely, 2^142066655 is an apocalyptic number.

142066655 is a deficient number, since it is larger than the sum of its proper divisors (28528945).

142066655 is a wasteful number, since it uses less digits than its factorization.

142066655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19273.

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

The square root of 142066655 is about 11919.1717413585. The cubic root of 142066655 is about 521.7919623820.

The spelling of 142066655 in words is "one hundred forty-two million, sixty-six thousand, six hundred fifty-five".