182142889 has 4 divisors (see below), whose sum is σ = 185128900. Its totient is φ = 179156880.

The previous prime is 182142871. The next prime is 182142893. The reversal of 182142889 is 988241281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21233664 + 160909225 = 4608^2 + 12685^2 .

It is a cyclic number.

It is not a de Polignac number, because 182142889 - 2¹⁵ = 182110121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (182145889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492914 + ... + 1493035.

It is an arithmetic number, because the mean of its divisors is an integer number (46282225).

Almost surely, 2^182142889 is an apocalyptic number.

It is an amenable number.

182142889 is a deficient number, since it is larger than the sum of its proper divisors (2986011).

182142889 is an equidigital number, since it uses as much as digits as its factorization.

182142889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986010.

The product of its digits is 73728, while the sum is 43.

The square root of 182142889 is about 13496.0323428777. The cubic root of 182142889 is about 566.8533795722.

The spelling of 182142889 in words is "one hundred eighty-two million, one hundred forty-two thousand, eight hundred eighty-nine".