82151446 has 32 divisors (see below), whose sum is σ = 146639808. Its totient is φ = 34129920.

The previous prime is 82151417. The next prime is 82151453. The reversal of 82151446 is 64415128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6126 + ... + 14206.

It is an arithmetic number, because the mean of its divisors is an integer number (4582494).

Almost surely, 2^82151446 is an apocalyptic number.

82151446 is a deficient number, since it is larger than the sum of its proper divisors (64488362).

82151446 is a wasteful number, since it uses less digits than its factorization.

82151446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136.

The product of its digits is 7680, while the sum is 31.

The square root of 82151446 is about 9063.7434871029. The cubic root of 82151446 is about 434.7154452025.

The spelling of 82151446 in words is "eighty-two million, one hundred fifty-one thousand, four hundred forty-six".