81046514 has 32 divisors (see below), whose sum is σ = 136857600. Its totient is φ = 35769600.

The previous prime is 81046513. The next prime is 81046517. The reversal of 81046514 is 41564018.

It is not an unprimeable number, because it can be changed into a prime (81046513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69839 + ... + 70989.

It is an arithmetic number, because the mean of its divisors is an integer number (4276800).

Almost surely, 2^81046514 is an apocalyptic number.

81046514 is a deficient number, since it is larger than the sum of its proper divisors (55811086).

81046514 is a wasteful number, since it uses less digits than its factorization.

81046514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 81046514 is about 9002.5837402381. The cubic root of 81046514 is about 432.7576759805.

The spelling of 81046514 in words is "eighty-one million, forty-six thousand, five hundred fourteen".