81462 has 8 divisors (see below), whose sum is σ = 162936. Its totient is φ = 27152.

The previous prime is 81457. The next prime is 81463. The reversal of 81462 is 26418.

Added to its reverse (26418) it gives a triangular number (107880 = T₄₆₄).

It is a sphenic number, since it is the product of 3 distinct primes.

81462 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 81462.

It is not an unprimeable number, because it can be changed into a prime (81463) by changing a digit.

81462 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6783 + ... + 6794.

It is an arithmetic number, because the mean of its divisors is an integer number (20367).

2⁸¹⁴⁶² is an apocalyptic number.

81462 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81468).

81462 is a wasteful number, since it uses less digits than its factorization.

81462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13582.

The product of its digits is 384, while the sum is 21.

The square root of 81462 is about 285.4154866156. The cubic root of 81462 is about 43.3495928464.

Adding to 81462 its reverse (26418), we get a triangular number (107880 = T₄₆₄).

The spelling of 81462 in words is "eighty-one thousand, four hundred sixty-two".