142006081 has 8 divisors (see below), whose sum is σ = 166067264. Its totient is φ = 118888560.

The previous prime is 142006079. The next prime is 142006087. The reversal of 142006081 is 180600241.

142006081 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.

It is not a de Polignac number, because 142006081 - 2¹ = 142006079 is a prime.

It is a super-2 number, since 2×142006081² = 40331454081957122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142006087) 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, 235590 + ... + 236191.

It is an arithmetic number, because the mean of its divisors is an integer number (20758408).

Almost surely, 2^142006081 is an apocalyptic number.

It is an amenable number.

142006081 is a deficient number, since it is larger than the sum of its proper divisors (24061183).

142006081 is an equidigital number, since it uses as much as digits as its factorization.

142006081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471831.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 142006081 is about 11916.6304381734. The cubic root of 142006081 is about 521.7177917528.

The spelling of 142006081 in words is "one hundred forty-two million, six thousand, eighty-one".