142089141 has 8 divisors (see below), whose sum is σ = 189523360. Its totient is φ = 94690512.

The previous prime is 142089127. The next prime is 142089173. The reversal of 142089141 is 141980241.

142089141 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 142089141 - 2¹⁹ = 141564853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142089099 and 142089108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142089121) 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, 2511 + ... + 17043.

It is an arithmetic number, because the mean of its divisors is an integer number (23690420).

Almost surely, 2^142089141 is an apocalyptic number.

It is an amenable number.

142089141 is a deficient number, since it is larger than the sum of its proper divisors (47434219).

142089141 is a wasteful number, since it uses less digits than its factorization.

142089141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17795.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 142089141 is about 11920.1149742777. The cubic root of 142089141 is about 521.8194902939.

Subtracting from 142089141 its reverse (141980241), we obtain a square (108900 = 330²).

The spelling of 142089141 in words is "one hundred forty-two million, eighty-nine thousand, one hundred forty-one".