142003081 has 8 divisors (see below), whose sum is σ = 161648064. Its totient is φ = 123480720.

The previous prime is 142003079. The next prime is 142003087. The reversal of 142003081 is 180300241.

142003081 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 142003081 - 2¹ = 142003079 is a prime.

It is a super-2 number, since 2×142003081² = 40329750026985122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142003087) 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, 280386 + ... + 280891.

It is an arithmetic number, because the mean of its divisors is an integer number (20206008).

Almost surely, 2^142003081 is an apocalyptic number.

142003081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142003081 is a deficient number, since it is larger than the sum of its proper divisors (19644983).

142003081 is a wasteful number, since it uses less digits than its factorization.

142003081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561311.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 142003081 is about 11916.5045630000. The cubic root of 142003081 is about 521.7141178153.

The spelling of 142003081 in words is "one hundred forty-two million, three thousand, eighty-one".