82412145 has 12 divisors (see below), whose sum is σ = 142847796. Its totient is φ = 43953120.

The previous prime is 82412129. The next prime is 82412179. The reversal of 82412145 is 54121428.

It can be written as a sum of positive squares in 2 ways, for example, as 42419169 + 39992976 = 6513^2 + 6324^2 .

It is not a de Polignac number, because 82412145 - 2⁴ = 82412129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 915646 + ... + 915735.

It is an arithmetic number, because the mean of its divisors is an integer number (11903983).

Almost surely, 2^82412145 is an apocalyptic number.

It is an amenable number.

82412145 is a deficient number, since it is larger than the sum of its proper divisors (60435651).

82412145 is a wasteful number, since it uses less digits than its factorization.

82412145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831392 (or 1831389 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 82412145 is about 9078.1135154833. The cubic root of 82412145 is about 435.1748009335.

The spelling of 82412145 in words is "eighty-two million, four hundred twelve thousand, one hundred forty-five".