182742149 has 8 divisors (see below), whose sum is σ = 188772600. Its totient is φ = 176769216.

The previous prime is 182742139. The next prime is 182742167. The reversal of 182742149 is 941247281.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 74269924 + 108472225 = 8618^2 + 10415^2 .

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 182742149 - 2⁸ = 182741893 is a prime.

It is a super-2 number, since 2×182742149² = 66789386042276402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182742139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7874 + ... + 20675.

It is an arithmetic number, because the mean of its divisors is an integer number (23596575).

Almost surely, 2^182742149 is an apocalyptic number.

It is an amenable number.

182742149 is a deficient number, since it is larger than the sum of its proper divisors (6030451).

182742149 is a wasteful number, since it uses less digits than its factorization.

182742149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28759.

The product of its digits is 32256, while the sum is 38.

The square root of 182742149 is about 13518.2154517525. The cubic root of 182742149 is about 567.4743585224.

The spelling of 182742149 in words is "one hundred eighty-two million, seven hundred forty-two thousand, one hundred forty-nine".