142481185 has 16 divisors (see below), whose sum is σ = 213167232. Its totient is φ = 88819200.

The previous prime is 142481179. The next prime is 142481201. The reversal of 142481185 is 581184241.

It is a happy number.

It is not a de Polignac number, because 142481185 - 2¹⁷ = 142350113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142481185.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184656 + ... + 185425.

It is an arithmetic number, because the mean of its divisors is an integer number (13322952).

Almost surely, 2^142481185 is an apocalyptic number.

It is an amenable number.

142481185 is a deficient number, since it is larger than the sum of its proper divisors (70686047).

142481185 is a wasteful number, since it uses less digits than its factorization.

142481185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370104.

The product of its digits is 10240, while the sum is 34.

The square root of 142481185 is about 11936.5482866698. The cubic root of 142481185 is about 522.2989741239.

The spelling of 142481185 in words is "one hundred forty-two million, four hundred eighty-one thousand, one hundred eighty-five".