142047566 has 8 divisors (see below), whose sum is σ = 213200184. Its totient is φ = 70980840.

The previous prime is 142047559. The next prime is 142047613. The reversal of 142047566 is 665740241.

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

It is a super-2 number, since 2×142047566² = 40355022013048712, which contains 22 as substring.

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, 17165 + ... + 24056.

It is an arithmetic number, because the mean of its divisors is an integer number (26650023).

Almost surely, 2^142047566 is an apocalyptic number.

142047566 is a deficient number, since it is larger than the sum of its proper divisors (71152618).

142047566 is a wasteful number, since it uses less digits than its factorization.

142047566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42946.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 142047566 is about 11918.3709457291. The cubic root of 142047566 is about 521.7685908809.

The spelling of 142047566 in words is "one hundred forty-two million, forty-seven thousand, five hundred sixty-six".