82145513415 has 64 divisors (see below), whose sum is σ = 152630019072. Its totient is φ = 36951552000.

The previous prime is 82145513371. The next prime is 82145513431. The reversal of 82145513415 is 51431554128.

It is not a de Polignac number, because 82145513415 - 2¹² = 82145509319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1704855 + ... + 1752375.

It is an arithmetic number, because the mean of its divisors is an integer number (2384844048).

Almost surely, 2^82145513415 is an apocalyptic number.

82145513415 is a deficient number, since it is larger than the sum of its proper divisors (70484505657).

82145513415 is a wasteful number, since it uses less digits than its factorization.

82145513415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47800.

The product of its digits is 96000, while the sum is 39.

The spelling of 82145513415 in words is "eighty-two billion, one hundred forty-five million, five hundred thirteen thousand, four hundred fifteen".