182745538515 has 48 divisors (see below), whose sum is σ = 319687673760. Its totient is φ = 96563819520.

The previous prime is 182745538471. The next prime is 182745538553. The reversal of 182745538515 is 515835547281.

182745538515 is a `hidden beast` number, since 1 + 8 + 2 + 7 + 4 + 553 + 85 + 1 + 5 = 666.

It is not a de Polignac number, because 182745538515 - 2¹⁹ = 182745014227 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16932741 + ... + 16943529.

It is an arithmetic number, because the mean of its divisors is an integer number (6660159870).

Almost surely, 2^182745538515 is an apocalyptic number.

182745538515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

182745538515 is a deficient number, since it is larger than the sum of its proper divisors (136942135245).

182745538515 is a wasteful number, since it uses less digits than its factorization.

182745538515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14244 (or 14241 counting only the distinct ones).

The product of its digits is 6720000, while the sum is 54.

The spelling of 182745538515 in words is "one hundred eighty-two billion, seven hundred forty-five million, five hundred thirty-eight thousand, five hundred fifteen".