482156381 has 4 divisors (see below), whose sum is σ = 551035872. Its totient is φ = 413276892.

The previous prime is 482156371. The next prime is 482156387. The reversal of 482156381 is 183651284.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-482156381 is a prime.

It is a super-3 number, since 3×482156381³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 (482156387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34439735 + ... + 34439748.

It is an arithmetic number, because the mean of its divisors is an integer number (137758968).

Almost surely, 2^482156381 is an apocalyptic number.

It is an amenable number.

482156381 is a deficient number, since it is larger than the sum of its proper divisors (68879491).

482156381 is an equidigital number, since it uses as much as digits as its factorization.

482156381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68879490.

The product of its digits is 46080, while the sum is 38.

The square root of 482156381 is about 21958.0595909566. The cubic root of 482156381 is about 784.1442693384.

The spelling of 482156381 in words is "four hundred eighty-two million, one hundred fifty-six thousand, three hundred eighty-one".