81482262 has 32 divisors (see below), whose sum is σ = 166320000. Its totient is φ = 26607360.

The previous prime is 81482243. The next prime is 81482263. The reversal of 81482262 is 26228418.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81482263) 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 15 ways as a sum of consecutive naturals, for example, 64614 + ... + 65862.

It is an arithmetic number, because the mean of its divisors is an integer number (5197500).

Almost surely, 2^81482262 is an apocalyptic number.

81482262 is an abundant number, since it is smaller than the sum of its proper divisors (84837738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

81482262 is a wasteful number, since it uses less digits than its factorization.

81482262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468.

The product of its digits is 12288, while the sum is 33.

The square root of 81482262 is about 9026.7525722155. The cubic root of 81482262 is about 433.5318665553.

The spelling of 81482262 in words is "eighty-one million, four hundred eighty-two thousand, two hundred sixty-two".