82157446 has 16 divisors (see below), whose sum is σ = 140988960. Its totient is φ = 35173440.

The previous prime is 82157419. The next prime is 82157461. The reversal of 82157446 is 64475128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14050 + ... + 19018.

It is an arithmetic number, because the mean of its divisors is an integer number (8811810).

Almost surely, 2^82157446 is an apocalyptic number.

82157446 is a deficient number, since it is larger than the sum of its proper divisors (58831514).

82157446 is a wasteful number, since it uses less digits than its factorization.

82157446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159.

The product of its digits is 53760, while the sum is 37.

The square root of 82157446 is about 9064.0744701266. The cubic root of 82157446 is about 434.7260282143.

The spelling of 82157446 in words is "eighty-two million, one hundred fifty-seven thousand, four hundred forty-six".