142144566 has 8 divisors (see below), whose sum is σ = 284289144. Its totient is φ = 47381520.

The previous prime is 142144553. The next prime is 142144571. The reversal of 142144566 is 665441241.

142144566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

142144566 is an admirable number.

It is a Curzon number.

It is a congruent number.

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, 11845375 + ... + 11845386.

It is an arithmetic number, because the mean of its divisors is an integer number (35536143).

Almost surely, 2^142144566 is an apocalyptic number.

142144566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142144566 is a wasteful number, since it uses less digits than its factorization.

142144566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23690766.

The product of its digits is 23040, while the sum is 33.

The square root of 142144566 is about 11922.4395993438. The cubic root of 142144566 is about 521.8873305368.

The spelling of 142144566 in words is "one hundred forty-two million, one hundred forty-four thousand, five hundred sixty-six".