182129745 has 32 divisors (see below), whose sum is σ = 333930240. Its totient is φ = 83036160.

The previous prime is 182129741. The next prime is 182129767. The reversal of 182129745 is 547921281.

It is not a de Polignac number, because 182129745 - 2² = 182129741 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (182129741) 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 31 ways as a sum of consecutive naturals, for example, 40825 + ... + 45065.

It is an arithmetic number, because the mean of its divisors is an integer number (10435320).

Almost surely, 2^182129745 is an apocalyptic number.

182129745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

182129745 is a deficient number, since it is larger than the sum of its proper divisors (151800495).

182129745 is a wasteful number, since it uses less digits than its factorization.

182129745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665.

The product of its digits is 40320, while the sum is 39.

The square root of 182129745 is about 13495.5453761602. The cubic root of 182129745 is about 566.8397439405.

The spelling of 182129745 in words is "one hundred eighty-two million, one hundred twenty-nine thousand, seven hundred forty-five".