142089983 has 8 divisors (see below), whose sum is σ = 162747552. Its totient is φ = 121522176.

The previous prime is 142089973. The next prime is 142089989. The reversal of 142089983 is 389980241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 142089983 - 2⁶ = 142089919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142089989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19010 + ... + 25407.

It is an arithmetic number, because the mean of its divisors is an integer number (20343444).

Almost surely, 2^142089983 is an apocalyptic number.

142089983 is a deficient number, since it is larger than the sum of its proper divisors (20657569).

142089983 is an equidigital number, since it uses as much as digits as its factorization.

142089983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44881.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 142089983 is about 11920.1502926767. The cubic root of 142089983 is about 521.8205210345.

The spelling of 142089983 in words is "one hundred forty-two million, eighty-nine thousand, nine hundred eighty-three".